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Finding the Fourth Proportional to 39,700.48, 59,544.80 and 11,613.12

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Solution

The fourth proportional to 39,700.48, 59,544.80 and 11,613.12 is: 17,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.48 : 59,544.80 = 11,613.12 : x
  2. Step 2: Convert to fraction form
    39,700.48/59,544.80 = 11,613.12/x
  3. Step 3: Cross multiply
    39,700.48x = 59,544.80 × 11,613.12
  4. Step 4: Simplify right side
    39,700.48x = 691,500,907.78
  5. Step 5: Solve for x
    x = 691,500,907.78/39,700.48
  6. Step 6: Final answer
    x = 17,417.95

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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.