Home / 52,613.28-72,607.59-28,739.75

Finding the Fourth Proportional to 52,613.28, 72,607.59 and 28,739.75

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Solution

The fourth proportional to 52,613.28, 72,607.59 and 28,739.75 is: 39,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.28 : 72,607.59 = 28,739.75 : x
  2. Step 2: Convert to fraction form
    52,613.28/72,607.59 = 28,739.75/x
  3. Step 3: Cross multiply
    52,613.28x = 72,607.59 × 28,739.75
  4. Step 4: Simplify right side
    52,613.28x = 2,086,723,621.66
  5. Step 5: Solve for x
    x = 2,086,723,621.66/52,613.28
  6. Step 6: Final answer
    x = 39,661.54

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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.