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Finding the Fourth Proportional to 21,374.46, 32,061.69 and 5,792.08

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Solution

The fourth proportional to 21,374.46, 32,061.69 and 5,792.08 is: 8,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.46 : 32,061.69 = 5,792.08 : x
  2. Step 2: Convert to fraction form
    21,374.46/32,061.69 = 5,792.08/x
  3. Step 3: Cross multiply
    21,374.46x = 32,061.69 × 5,792.08
  4. Step 4: Simplify right side
    21,374.46x = 185,703,873.42
  5. Step 5: Solve for x
    x = 185,703,873.42/21,374.46
  6. Step 6: Final answer
    x = 8,688.12

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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.