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Finding the Fourth Proportional to 40,471.58, 60,615.69 and 21,718.94

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Solution

The fourth proportional to 40,471.58, 60,615.69 and 21,718.94 is: 32,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.58 : 60,615.69 = 21,718.94 : x
  2. Step 2: Convert to fraction form
    40,471.58/60,615.69 = 21,718.94/x
  3. Step 3: Cross multiply
    40,471.58x = 60,615.69 × 21,718.94
  4. Step 4: Simplify right side
    40,471.58x = 1,316,508,534.17
  5. Step 5: Solve for x
    x = 1,316,508,534.17/40,471.58
  6. Step 6: Final answer
    x = 32,529.21

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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.