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Finding the Fourth Proportional to 61,718.82, 92,578.19 and 14,971.70

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Solution

The fourth proportional to 61,718.82, 92,578.19 and 14,971.70 is: 22,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,718.82 : 92,578.19 = 14,971.70 : x
  2. Step 2: Convert to fraction form
    61,718.82/92,578.19 = 14,971.70/x
  3. Step 3: Cross multiply
    61,718.82x = 92,578.19 × 14,971.70
  4. Step 4: Simplify right side
    61,718.82x = 1,386,052,349.47
  5. Step 5: Solve for x
    x = 1,386,052,349.47/61,718.82
  6. Step 6: Final answer
    x = 22,457.53

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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.