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Finding the Fourth Proportional to 60,587.80, 90,881.70 and 16,221.40

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Solution

The fourth proportional to 60,587.80, 90,881.70 and 16,221.40 is: 24,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,587.80 : 90,881.70 = 16,221.40 : x
  2. Step 2: Convert to fraction form
    60,587.80/90,881.70 = 16,221.40/x
  3. Step 3: Cross multiply
    60,587.80x = 90,881.70 × 16,221.40
  4. Step 4: Simplify right side
    60,587.80x = 1,474,228,408.38
  5. Step 5: Solve for x
    x = 1,474,228,408.38/60,587.80
  6. Step 6: Final answer
    x = 24,332.10

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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.