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Finding the Fourth Proportional to 37,123.79, 55,685.11 and 9,043.81

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Solution

The fourth proportional to 37,123.79, 55,685.11 and 9,043.81 is: 13,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,123.79 : 55,685.11 = 9,043.81 : x
  2. Step 2: Convert to fraction form
    37,123.79/55,685.11 = 9,043.81/x
  3. Step 3: Cross multiply
    37,123.79x = 55,685.11 × 9,043.81
  4. Step 4: Simplify right side
    37,123.79x = 503,605,532.06
  5. Step 5: Solve for x
    x = 503,605,532.06/37,123.79
  6. Step 6: Final answer
    x = 13,565.58

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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.