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Finding the Fourth Proportional to 61,770.30, 92,655.45 and 22,328.70

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Solution

The fourth proportional to 61,770.30, 92,655.45 and 22,328.70 is: 33,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770.30 : 92,655.45 = 22,328.70 : x
  2. Step 2: Convert to fraction form
    61,770.30/92,655.45 = 22,328.70/x
  3. Step 3: Cross multiply
    61,770.30x = 92,655.45 × 22,328.70
  4. Step 4: Simplify right side
    61,770.30x = 2,068,875,746.42
  5. Step 5: Solve for x
    x = 2,068,875,746.42/61,770.30
  6. Step 6: Final answer
    x = 33,493.05

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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.