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Finding the Fourth Proportional to 84,681.62, 127,010.05 and 24,693.98

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Solution

The fourth proportional to 84,681.62, 127,010.05 and 24,693.98 is: 37,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,681.62 : 127,010.05 = 24,693.98 : x
  2. Step 2: Convert to fraction form
    84,681.62/127,010.05 = 24,693.98/x
  3. Step 3: Cross multiply
    84,681.62x = 127,010.05 × 24,693.98
  4. Step 4: Simplify right side
    84,681.62x = 3,136,382,999.45
  5. Step 5: Solve for x
    x = 3,136,382,999.45/84,681.62
  6. Step 6: Final answer
    x = 37,037.35

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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.