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Finding the Fourth Proportional to 9,055.15, 13,582.73 and 7,903.15

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Solution

The fourth proportional to 9,055.15, 13,582.73 and 7,903.15 is: 11,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.15 : 13,582.73 = 7,903.15 : x
  2. Step 2: Convert to fraction form
    9,055.15/13,582.73 = 7,903.15/x
  3. Step 3: Cross multiply
    9,055.15x = 13,582.73 × 7,903.15
  4. Step 4: Simplify right side
    9,055.15x = 107,346,313.08
  5. Step 5: Solve for x
    x = 107,346,313.08/9,055.15
  6. Step 6: Final answer
    x = 11,854.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.