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Finding the Fourth Proportional to 64,132.54, 88,527.88 and 57,406.53

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Solution

The fourth proportional to 64,132.54, 88,527.88 and 57,406.53 is: 79,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,132.54 : 88,527.88 = 57,406.53 : x
  2. Step 2: Convert to fraction form
    64,132.54/88,527.88 = 57,406.53/x
  3. Step 3: Cross multiply
    64,132.54x = 88,527.88 × 57,406.53
  4. Step 4: Simplify right side
    64,132.54x = 5,082,078,138.84
  5. Step 5: Solve for x
    x = 5,082,078,138.84/64,132.54
  6. Step 6: Final answer
    x = 79,243.36

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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.