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Finding the Fourth Proportional to 29,032.65, 40,065.49 and 16,288.65

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Solution

The fourth proportional to 29,032.65, 40,065.49 and 16,288.65 is: 22,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032.65 : 40,065.49 = 16,288.65 : x
  2. Step 2: Convert to fraction form
    29,032.65/40,065.49 = 16,288.65/x
  3. Step 3: Cross multiply
    29,032.65x = 40,065.49 × 16,288.65
  4. Step 4: Simplify right side
    29,032.65x = 652,612,461.92
  5. Step 5: Solve for x
    x = 652,612,461.92/29,032.65
  6. Step 6: Final answer
    x = 22,478.57

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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.