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Finding the Fourth Proportional to 63,127.76, 94,817.70 and 39,477.38

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Solution

The fourth proportional to 63,127.76, 94,817.70 and 39,477.38 is: 59,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,127.76 : 94,817.70 = 39,477.38 : x
  2. Step 2: Convert to fraction form
    63,127.76/94,817.70 = 39,477.38/x
  3. Step 3: Cross multiply
    63,127.76x = 94,817.70 × 39,477.38
  4. Step 4: Simplify right side
    63,127.76x = 3,743,154,373.63
  5. Step 5: Solve for x
    x = 3,743,154,373.63/63,127.76
  6. Step 6: Final answer
    x = 59,294.90

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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.