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Finding the Fourth Proportional to 40,407.10, 55,758.02 and 23,411.99

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Solution

The fourth proportional to 40,407.10, 55,758.02 and 23,411.99 is: 32,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,407.10 : 55,758.02 = 23,411.99 : x
  2. Step 2: Convert to fraction form
    40,407.10/55,758.02 = 23,411.99/x
  3. Step 3: Cross multiply
    40,407.10x = 55,758.02 × 23,411.99
  4. Step 4: Simplify right side
    40,407.10x = 1,305,406,047.05
  5. Step 5: Solve for x
    x = 1,305,406,047.05/40,407.10
  6. Step 6: Final answer
    x = 32,306.35

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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.