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Finding the Fourth Proportional to 62,609.97, 93,915.15 and 18,237.81

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Solution

The fourth proportional to 62,609.97, 93,915.15 and 18,237.81 is: 27,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,609.97 : 93,915.15 = 18,237.81 : x
  2. Step 2: Convert to fraction form
    62,609.97/93,915.15 = 18,237.81/x
  3. Step 3: Cross multiply
    62,609.97x = 93,915.15 × 18,237.81
  4. Step 4: Simplify right side
    62,609.97x = 1,712,806,661.82
  5. Step 5: Solve for x
    x = 1,712,806,661.82/62,609.97
  6. Step 6: Final answer
    x = 27,356.77

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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.