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Finding the Fourth Proportional to 40,440, 55,803.14 and 23,449.74

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Solution

The fourth proportional to 40,440, 55,803.14 and 23,449.74 is: 32,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440 : 55,803.14 = 23,449.74 : x
  2. Step 2: Convert to fraction form
    40,440/55,803.14 = 23,449.74/x
  3. Step 3: Cross multiply
    40,440x = 55,803.14 × 23,449.74
  4. Step 4: Simplify right side
    40,440x = 1,308,569,124.18
  5. Step 5: Solve for x
    x = 1,308,569,124.18/40,440
  6. Step 6: Final answer
    x = 32,358.29

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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.