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Finding the Fourth Proportional to 48,466.20, 72,677.70 and 18,874.20

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Solution

The fourth proportional to 48,466.20, 72,677.70 and 18,874.20 is: 28,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,466.20 : 72,677.70 = 18,874.20 : x
  2. Step 2: Convert to fraction form
    48,466.20/72,677.70 = 18,874.20/x
  3. Step 3: Cross multiply
    48,466.20x = 72,677.70 × 18,874.20
  4. Step 4: Simplify right side
    48,466.20x = 1,371,733,445.34
  5. Step 5: Solve for x
    x = 1,371,733,445.34/48,466.20
  6. Step 6: Final answer
    x = 28,302.89

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1.5x scale

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.