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Finding the Fourth Proportional to 7,993.39, 11,041.64 and 7,248.19

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Solution

The fourth proportional to 7,993.39, 11,041.64 and 7,248.19 is: 10,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.39 : 11,041.64 = 7,248.19 : x
  2. Step 2: Convert to fraction form
    7,993.39/11,041.64 = 7,248.19/x
  3. Step 3: Cross multiply
    7,993.39x = 11,041.64 × 7,248.19
  4. Step 4: Simplify right side
    7,993.39x = 80,031,904.63
  5. Step 5: Solve for x
    x = 80,031,904.63/7,993.39
  6. Step 6: Final answer
    x = 10,012.26

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.