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Finding the Fourth Proportional to 7,246.47, 10,804.80 and 7,115.25

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Solution

The fourth proportional to 7,246.47, 10,804.80 and 7,115.25 is: 10,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.47 : 10,804.80 = 7,115.25 : x
  2. Step 2: Convert to fraction form
    7,246.47/10,804.80 = 7,115.25/x
  3. Step 3: Cross multiply
    7,246.47x = 10,804.80 × 7,115.25
  4. Step 4: Simplify right side
    7,246.47x = 76,878,853.20
  5. Step 5: Solve for x
    x = 76,878,853.20/7,246.47
  6. Step 6: Final answer
    x = 10,609.15

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