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Finding the Fourth Proportional to 64,445.76, 88,973.28 and 40,592.88

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Solution

The fourth proportional to 64,445.76, 88,973.28 and 40,592.88 is: 56,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,445.76 : 88,973.28 = 40,592.88 : x
  2. Step 2: Convert to fraction form
    64,445.76/88,973.28 = 40,592.88/x
  3. Step 3: Cross multiply
    64,445.76x = 88,973.28 × 40,592.88
  4. Step 4: Simplify right side
    64,445.76x = 3,611,681,678.25
  5. Step 5: Solve for x
    x = 3,611,681,678.25/64,445.76
  6. Step 6: Final answer
    x = 56,042.19

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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.