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Finding the Fourth Proportional to 64,243.20, 88,655.84 and 35,948.84

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Solution

The fourth proportional to 64,243.20, 88,655.84 and 35,948.84 is: 49,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.20 : 88,655.84 = 35,948.84 : x
  2. Step 2: Convert to fraction form
    64,243.20/88,655.84 = 35,948.84/x
  3. Step 3: Cross multiply
    64,243.20x = 88,655.84 × 35,948.84
  4. Step 4: Simplify right side
    64,243.20x = 3,187,074,607.23
  5. Step 5: Solve for x
    x = 3,187,074,607.23/64,243.20
  6. Step 6: Final answer
    x = 49,609.52

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1.5x scale

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.