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Finding the Fourth Proportional to 56,490.85, 77,954.25 and 32,616.10

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Solution

The fourth proportional to 56,490.85, 77,954.25 and 32,616.10 is: 45,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.85 : 77,954.25 = 32,616.10 : x
  2. Step 2: Convert to fraction form
    56,490.85/77,954.25 = 32,616.10/x
  3. Step 3: Cross multiply
    56,490.85x = 77,954.25 × 32,616.10
  4. Step 4: Simplify right side
    56,490.85x = 2,542,563,613.43
  5. Step 5: Solve for x
    x = 2,542,563,613.43/56,490.85
  6. Step 6: Final answer
    x = 45,008.41

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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.