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Finding the Fourth Proportional to 61,389.63, 92,084.14 and 53,044.10

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Solution

The fourth proportional to 61,389.63, 92,084.14 and 53,044.10 is: 79,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,389.63 : 92,084.14 = 53,044.10 : x
  2. Step 2: Convert to fraction form
    61,389.63/92,084.14 = 53,044.10/x
  3. Step 3: Cross multiply
    61,389.63x = 92,084.14 × 53,044.10
  4. Step 4: Simplify right side
    61,389.63x = 4,884,520,281.77
  5. Step 5: Solve for x
    x = 4,884,520,281.77/61,389.63
  6. Step 6: Final answer
    x = 79,565.89

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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.