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Finding the Fourth Proportional to 21,547.28, 32,320.96 and 5,964.96

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Solution

The fourth proportional to 21,547.28, 32,320.96 and 5,964.96 is: 8,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.28 : 32,320.96 = 5,964.96 : x
  2. Step 2: Convert to fraction form
    21,547.28/32,320.96 = 5,964.96/x
  3. Step 3: Cross multiply
    21,547.28x = 32,320.96 × 5,964.96
  4. Step 4: Simplify right side
    21,547.28x = 192,793,233.56
  5. Step 5: Solve for x
    x = 192,793,233.56/21,547.28
  6. Step 6: Final answer
    x = 8,947.45

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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.