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Finding the Fourth Proportional to 63,183.66, 87,191.16 and 34,888.74

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Solution

The fourth proportional to 63,183.66, 87,191.16 and 34,888.74 is: 48,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,183.66 : 87,191.16 = 34,888.74 : x
  2. Step 2: Convert to fraction form
    63,183.66/87,191.16 = 34,888.74/x
  3. Step 3: Cross multiply
    63,183.66x = 87,191.16 × 34,888.74
  4. Step 4: Simplify right side
    63,183.66x = 3,041,989,711.54
  5. Step 5: Solve for x
    x = 3,041,989,711.54/63,183.66
  6. Step 6: Final answer
    x = 48,145.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.