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Finding the Fourth Proportional to 61,987.60, 93,005.70 and 22,548.70

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Solution

The fourth proportional to 61,987.60, 93,005.70 and 22,548.70 is: 33,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987.60 : 93,005.70 = 22,548.70 : x
  2. Step 2: Convert to fraction form
    61,987.60/93,005.70 = 22,548.70/x
  3. Step 3: Cross multiply
    61,987.60x = 93,005.70 × 22,548.70
  4. Step 4: Simplify right side
    61,987.60x = 2,097,157,627.59
  5. Step 5: Solve for x
    x = 2,097,157,627.59/61,987.60
  6. Step 6: Final answer
    x = 33,831.89

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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.