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Finding the Fourth Proportional to 64,060.12, 88,407.08 and 35,765.80

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Solution

The fourth proportional to 64,060.12, 88,407.08 and 35,765.80 is: 49,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,060.12 : 88,407.08 = 35,765.80 : x
  2. Step 2: Convert to fraction form
    64,060.12/88,407.08 = 35,765.80/x
  3. Step 3: Cross multiply
    64,060.12x = 88,407.08 × 35,765.80
  4. Step 4: Simplify right side
    64,060.12x = 3,161,949,941.86
  5. Step 5: Solve for x
    x = 3,161,949,941.86/64,060.12
  6. Step 6: Final answer
    x = 49,359.10

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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.