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Finding the Fourth Proportional to 39,700.82, 59,549.82 and 10,118.41

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Solution

The fourth proportional to 39,700.82, 59,549.82 and 10,118.41 is: 15,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.82 : 59,549.82 = 10,118.41 : x
  2. Step 2: Convert to fraction form
    39,700.82/59,549.82 = 10,118.41/x
  3. Step 3: Cross multiply
    39,700.82x = 59,549.82 × 10,118.41
  4. Step 4: Simplify right side
    39,700.82x = 602,549,307.37
  5. Step 5: Solve for x
    x = 602,549,307.37/39,700.82
  6. Step 6: Final answer
    x = 15,177.25

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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.