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Finding the Fourth Proportional to 61,699.80, 92,549.43 and 14,953.08

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Solution

The fourth proportional to 61,699.80, 92,549.43 and 14,953.08 is: 22,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,699.80 : 92,549.43 = 14,953.08 : x
  2. Step 2: Convert to fraction form
    61,699.80/92,549.43 = 14,953.08/x
  3. Step 3: Cross multiply
    61,699.80x = 92,549.43 × 14,953.08
  4. Step 4: Simplify right side
    61,699.80x = 1,383,899,030.74
  5. Step 5: Solve for x
    x = 1,383,899,030.74/61,699.80
  6. Step 6: Final answer
    x = 22,429.55

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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.