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Finding the Fourth Proportional to 58,642.66, 80,924.90 and 34,755.15

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Solution

The fourth proportional to 58,642.66, 80,924.90 and 34,755.15 is: 47,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,642.66 : 80,924.90 = 34,755.15 : x
  2. Step 2: Convert to fraction form
    58,642.66/80,924.90 = 34,755.15/x
  3. Step 3: Cross multiply
    58,642.66x = 80,924.90 × 34,755.15
  4. Step 4: Simplify right side
    58,642.66x = 2,812,557,038.24
  5. Step 5: Solve for x
    x = 2,812,557,038.24/58,642.66
  6. Step 6: Final answer
    x = 47,960.94

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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.