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Finding the Fourth Proportional to 48,807.90, 73,211.49 and 13,746.78

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Solution

The fourth proportional to 48,807.90, 73,211.49 and 13,746.78 is: 20,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,807.90 : 73,211.49 = 13,746.78 : x
  2. Step 2: Convert to fraction form
    48,807.90/73,211.49 = 13,746.78/x
  3. Step 3: Cross multiply
    48,807.90x = 73,211.49 × 13,746.78
  4. Step 4: Simplify right side
    48,807.90x = 1,006,422,246.50
  5. Step 5: Solve for x
    x = 1,006,422,246.50/48,807.90
  6. Step 6: Final answer
    x = 20,620.07

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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.