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Finding the Fourth Proportional to 63,254.54, 87,291.53 and 34,574.78

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Solution

The fourth proportional to 63,254.54, 87,291.53 and 34,574.78 is: 47,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,254.54 : 87,291.53 = 34,574.78 : x
  2. Step 2: Convert to fraction form
    63,254.54/87,291.53 = 34,574.78/x
  3. Step 3: Cross multiply
    63,254.54x = 87,291.53 × 34,574.78
  4. Step 4: Simplify right side
    63,254.54x = 3,018,085,445.61
  5. Step 5: Solve for x
    x = 3,018,085,445.61/63,254.54
  6. Step 6: Final answer
    x = 47,713.34

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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.