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Finding the Fourth Proportional to 32,690.74, 45,096.49 and 21,366.87

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Solution

The fourth proportional to 32,690.74, 45,096.49 and 21,366.87 is: 29,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.74 : 45,096.49 = 21,366.87 : x
  2. Step 2: Convert to fraction form
    32,690.74/45,096.49 = 21,366.87/x
  3. Step 3: Cross multiply
    32,690.74x = 45,096.49 × 21,366.87
  4. Step 4: Simplify right side
    32,690.74x = 963,570,898.61
  5. Step 5: Solve for x
    x = 963,570,898.61/32,690.74
  6. Step 6: Final answer
    x = 29,475.35

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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.