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Finding the Fourth Proportional to 22,347.98, 30,841.03 and 13,393.76

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Solution

The fourth proportional to 22,347.98, 30,841.03 and 13,393.76 is: 18,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.98 : 30,841.03 = 13,393.76 : x
  2. Step 2: Convert to fraction form
    22,347.98/30,841.03 = 13,393.76/x
  3. Step 3: Cross multiply
    22,347.98x = 30,841.03 × 13,393.76
  4. Step 4: Simplify right side
    22,347.98x = 413,077,178.84
  5. Step 5: Solve for x
    x = 413,077,178.84/22,347.98
  6. Step 6: Final answer
    x = 18,483.87

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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.