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Finding the Fourth Proportional to 63,478.47, 95,218.52 and 28,410.87

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Solution

The fourth proportional to 63,478.47, 95,218.52 and 28,410.87 is: 42,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.47 : 95,218.52 = 28,410.87 : x
  2. Step 2: Convert to fraction form
    63,478.47/95,218.52 = 28,410.87/x
  3. Step 3: Cross multiply
    63,478.47x = 95,218.52 × 28,410.87
  4. Step 4: Simplify right side
    63,478.47x = 2,705,240,851.26
  5. Step 5: Solve for x
    x = 2,705,240,851.26/63,478.47
  6. Step 6: Final answer
    x = 42,616.67

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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.