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Finding the Fourth Proportional to 10,009.71, 13,805.01 and 7,497.72

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Solution

The fourth proportional to 10,009.71, 13,805.01 and 7,497.72 is: 10,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.71 : 13,805.01 = 7,497.72 : x
  2. Step 2: Convert to fraction form
    10,009.71/13,805.01 = 7,497.72/x
  3. Step 3: Cross multiply
    10,009.71x = 13,805.01 × 7,497.72
  4. Step 4: Simplify right side
    10,009.71x = 103,506,099.58
  5. Step 5: Solve for x
    x = 103,506,099.58/10,009.71
  6. Step 6: Final answer
    x = 10,340.57

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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.