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Finding the Fourth Proportional to 63,697.70, 95,548.74 and 28,637.48

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Solution

The fourth proportional to 63,697.70, 95,548.74 and 28,637.48 is: 42,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.70 : 95,548.74 = 28,637.48 : x
  2. Step 2: Convert to fraction form
    63,697.70/95,548.74 = 28,637.48/x
  3. Step 3: Cross multiply
    63,697.70x = 95,548.74 × 28,637.48
  4. Step 4: Simplify right side
    63,697.70x = 2,736,275,130.78
  5. Step 5: Solve for x
    x = 2,736,275,130.78/63,697.70
  6. Step 6: Final answer
    x = 42,957.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.