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Finding the Fourth Proportional to 40,549.04, 55,955.04 and 22,643.20

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Solution

The fourth proportional to 40,549.04, 55,955.04 and 22,643.20 is: 31,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,549.04 : 55,955.04 = 22,643.20 : x
  2. Step 2: Convert to fraction form
    40,549.04/55,955.04 = 22,643.20/x
  3. Step 3: Cross multiply
    40,549.04x = 55,955.04 × 22,643.20
  4. Step 4: Simplify right side
    40,549.04x = 1,267,001,161.73
  5. Step 5: Solve for x
    x = 1,267,001,161.73/40,549.04
  6. Step 6: Final answer
    x = 31,246.14

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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.