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Finding the Fourth Proportional to 9,401.40, 14,123.70 and 9,034.20

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Solution

The fourth proportional to 9,401.40, 14,123.70 and 9,034.20 is: 13,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.40 : 14,123.70 = 9,034.20 : x
  2. Step 2: Convert to fraction form
    9,401.40/14,123.70 = 9,034.20/x
  3. Step 3: Cross multiply
    9,401.40x = 14,123.70 × 9,034.20
  4. Step 4: Simplify right side
    9,401.40x = 127,596,330.54
  5. Step 5: Solve for x
    x = 127,596,330.54/9,401.40
  6. Step 6: Final answer
    x = 13,572.06

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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.