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Finding the Fourth Proportional to 39,393.78, 59,073.35 and 14,752.50

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Solution

The fourth proportional to 39,393.78, 59,073.35 and 14,752.50 is: 22,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.78 : 59,073.35 = 14,752.50 : x
  2. Step 2: Convert to fraction form
    39,393.78/59,073.35 = 14,752.50/x
  3. Step 3: Cross multiply
    39,393.78x = 59,073.35 × 14,752.50
  4. Step 4: Simplify right side
    39,393.78x = 871,479,595.88
  5. Step 5: Solve for x
    x = 871,479,595.88/39,393.78
  6. Step 6: Final answer
    x = 22,122.26

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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.