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Finding the Fourth Proportional to 58,447.64, 80,656.13 and 32,953.78

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Solution

The fourth proportional to 58,447.64, 80,656.13 and 32,953.78 is: 45,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,447.64 : 80,656.13 = 32,953.78 : x
  2. Step 2: Convert to fraction form
    58,447.64/80,656.13 = 32,953.78/x
  3. Step 3: Cross multiply
    58,447.64x = 80,656.13 × 32,953.78
  4. Step 4: Simplify right side
    58,447.64x = 2,657,924,363.67
  5. Step 5: Solve for x
    x = 2,657,924,363.67/58,447.64
  6. Step 6: Final answer
    x = 45,475.31

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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.