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Finding the Fourth Proportional to 61,987.96, 93,006.78 and 22,547.80

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Solution

The fourth proportional to 61,987.96, 93,006.78 and 22,547.80 is: 33,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987.96 : 93,006.78 = 22,547.80 : x
  2. Step 2: Convert to fraction form
    61,987.96/93,006.78 = 22,547.80/x
  3. Step 3: Cross multiply
    61,987.96x = 93,006.78 × 22,547.80
  4. Step 4: Simplify right side
    61,987.96x = 2,097,098,274.08
  5. Step 5: Solve for x
    x = 2,097,098,274.08/61,987.96
  6. Step 6: Final answer
    x = 33,830.74

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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.