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Finding the Fourth Proportional to 64,062.63, 88,405.02 and 35,380.53

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Solution

The fourth proportional to 64,062.63, 88,405.02 and 35,380.53 is: 48,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.63 : 88,405.02 = 35,380.53 : x
  2. Step 2: Convert to fraction form
    64,062.63/88,405.02 = 35,380.53/x
  3. Step 3: Cross multiply
    64,062.63x = 88,405.02 × 35,380.53
  4. Step 4: Simplify right side
    64,062.63x = 3,127,816,462.26
  5. Step 5: Solve for x
    x = 3,127,816,462.26/64,062.63
  6. Step 6: Final answer
    x = 48,824.35

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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.