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Finding the Fourth Proportional to 48,654.95, 72,980.46 and 15,376.91

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Solution

The fourth proportional to 48,654.95, 72,980.46 and 15,376.91 is: 23,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.95 : 72,980.46 = 15,376.91 : x
  2. Step 2: Convert to fraction form
    48,654.95/72,980.46 = 15,376.91/x
  3. Step 3: Cross multiply
    48,654.95x = 72,980.46 × 15,376.91
  4. Step 4: Simplify right side
    48,654.95x = 1,122,213,600.28
  5. Step 5: Solve for x
    x = 1,122,213,600.28/48,654.95
  6. Step 6: Final answer
    x = 23,064.74

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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.