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Finding the Fourth Proportional to 30,001.59, 41,401.80 and 16,572.87

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Solution

The fourth proportional to 30,001.59, 41,401.80 and 16,572.87 is: 22,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.59 : 41,401.80 = 16,572.87 : x
  2. Step 2: Convert to fraction form
    30,001.59/41,401.80 = 16,572.87/x
  3. Step 3: Cross multiply
    30,001.59x = 41,401.80 × 16,572.87
  4. Step 4: Simplify right side
    30,001.59x = 686,146,649.17
  5. Step 5: Solve for x
    x = 686,146,649.17/30,001.59
  6. Step 6: Final answer
    x = 22,870.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.