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Finding the Fourth Proportional to 14,343.60, 19,793.06 and 8,054.76

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Solution

The fourth proportional to 14,343.60, 19,793.06 and 8,054.76 is: 11,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.60 : 19,793.06 = 8,054.76 : x
  2. Step 2: Convert to fraction form
    14,343.60/19,793.06 = 8,054.76/x
  3. Step 3: Cross multiply
    14,343.60x = 19,793.06 × 8,054.76
  4. Step 4: Simplify right side
    14,343.60x = 159,428,347.97
  5. Step 5: Solve for x
    x = 159,428,347.97/14,343.60
  6. Step 6: Final answer
    x = 11,114.95

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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.