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Finding the Fourth Proportional to 63,374.95, 87,457.44 and 35,080.64

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Solution

The fourth proportional to 63,374.95, 87,457.44 and 35,080.64 is: 48,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,374.95 : 87,457.44 = 35,080.64 : x
  2. Step 2: Convert to fraction form
    63,374.95/87,457.44 = 35,080.64/x
  3. Step 3: Cross multiply
    63,374.95x = 87,457.44 × 35,080.64
  4. Step 4: Simplify right side
    63,374.95x = 3,068,062,792.56
  5. Step 5: Solve for x
    x = 3,068,062,792.56/63,374.95
  6. Step 6: Final answer
    x = 48,411.28

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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.