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Finding the Fourth Proportional to 61,518.40, 92,272.80 and 24,071.20

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Solution

The fourth proportional to 61,518.40, 92,272.80 and 24,071.20 is: 36,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,518.40 : 92,272.80 = 24,071.20 : x
  2. Step 2: Convert to fraction form
    61,518.40/92,272.80 = 24,071.20/x
  3. Step 3: Cross multiply
    61,518.40x = 92,272.80 × 24,071.20
  4. Step 4: Simplify right side
    61,518.40x = 2,221,117,023.36
  5. Step 5: Solve for x
    x = 2,221,117,023.36/61,518.40
  6. Step 6: Final answer
    x = 36,104.92

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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.