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Finding the Fourth Proportional to 39,488.40, 59,203.80 and 16,102.80

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Solution

The fourth proportional to 39,488.40, 59,203.80 and 16,102.80 is: 24,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.40 : 59,203.80 = 16,102.80 : x
  2. Step 2: Convert to fraction form
    39,488.40/59,203.80 = 16,102.80/x
  3. Step 3: Cross multiply
    39,488.40x = 59,203.80 × 16,102.80
  4. Step 4: Simplify right side
    39,488.40x = 953,346,950.64
  5. Step 5: Solve for x
    x = 953,346,950.64/39,488.40
  6. Step 6: Final answer
    x = 24,142.46

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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.