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Finding the Fourth Proportional to 40,908.03, 61,360.29 and 12,827.40

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Solution

The fourth proportional to 40,908.03, 61,360.29 and 12,827.40 is: 19,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.03 : 61,360.29 = 12,827.40 : x
  2. Step 2: Convert to fraction form
    40,908.03/61,360.29 = 12,827.40/x
  3. Step 3: Cross multiply
    40,908.03x = 61,360.29 × 12,827.40
  4. Step 4: Simplify right side
    40,908.03x = 787,092,983.95
  5. Step 5: Solve for x
    x = 787,092,983.95/40,908.03
  6. Step 6: Final answer
    x = 19,240.55

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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.