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Finding the Fourth Proportional to 40,642.98, 56,089.98 and 22,741.08

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Solution

The fourth proportional to 40,642.98, 56,089.98 and 22,741.08 is: 31,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.98 : 56,089.98 = 22,741.08 : x
  2. Step 2: Convert to fraction form
    40,642.98/56,089.98 = 22,741.08/x
  3. Step 3: Cross multiply
    40,642.98x = 56,089.98 × 22,741.08
  4. Step 4: Simplify right side
    40,642.98x = 1,275,546,722.38
  5. Step 5: Solve for x
    x = 1,275,546,722.38/40,642.98
  6. Step 6: Final answer
    x = 31,384.18

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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.