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Finding the Fourth Proportional to 61,700.76, 92,551.15 and 14,953.64

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Solution

The fourth proportional to 61,700.76, 92,551.15 and 14,953.64 is: 22,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,700.76 : 92,551.15 = 14,953.64 : x
  2. Step 2: Convert to fraction form
    61,700.76/92,551.15 = 14,953.64/x
  3. Step 3: Cross multiply
    61,700.76x = 92,551.15 × 14,953.64
  4. Step 4: Simplify right side
    61,700.76x = 1,383,976,309.92
  5. Step 5: Solve for x
    x = 1,383,976,309.92/61,700.76
  6. Step 6: Final answer
    x = 22,430.46

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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.