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Finding the Fourth Proportional to 48,497.92, 72,746.84 and 13,437.56

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Solution

The fourth proportional to 48,497.92, 72,746.84 and 13,437.56 is: 20,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,497.92 : 72,746.84 = 13,437.56 : x
  2. Step 2: Convert to fraction form
    48,497.92/72,746.84 = 13,437.56/x
  3. Step 3: Cross multiply
    48,497.92x = 72,746.84 × 13,437.56
  4. Step 4: Simplify right side
    48,497.92x = 977,540,027.31
  5. Step 5: Solve for x
    x = 977,540,027.31/48,497.92
  6. Step 6: Final answer
    x = 20,156.33

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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.