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Finding the Fourth Proportional to 63,088.32, 86,913.36 and 52,292.64

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Solution

The fourth proportional to 63,088.32, 86,913.36 and 52,292.64 is: 72,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,088.32 : 86,913.36 = 52,292.64 : x
  2. Step 2: Convert to fraction form
    63,088.32/86,913.36 = 52,292.64/x
  3. Step 3: Cross multiply
    63,088.32x = 86,913.36 × 52,292.64
  4. Step 4: Simplify right side
    63,088.32x = 4,544,929,045.67
  5. Step 5: Solve for x
    x = 4,544,929,045.67/63,088.32
  6. Step 6: Final answer
    x = 72,040.74

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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.