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Finding the Fourth Proportional to 62,045.40, 93,068.10 and 38,425.80

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Solution

The fourth proportional to 62,045.40, 93,068.10 and 38,425.80 is: 57,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,045.40 : 93,068.10 = 38,425.80 : x
  2. Step 2: Convert to fraction form
    62,045.40/93,068.10 = 38,425.80/x
  3. Step 3: Cross multiply
    62,045.40x = 93,068.10 × 38,425.80
  4. Step 4: Simplify right side
    62,045.40x = 3,576,216,196.98
  5. Step 5: Solve for x
    x = 3,576,216,196.98/62,045.40
  6. Step 6: Final answer
    x = 57,638.70

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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.