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Finding the Fourth Proportional to 56,758.67, 78,326.94 and 32,899.17

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Solution

The fourth proportional to 56,758.67, 78,326.94 and 32,899.17 is: 45,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758.67 : 78,326.94 = 32,899.17 : x
  2. Step 2: Convert to fraction form
    56,758.67/78,326.94 = 32,899.17/x
  3. Step 3: Cross multiply
    56,758.67x = 78,326.94 × 32,899.17
  4. Step 4: Simplify right side
    56,758.67x = 2,576,891,314.64
  5. Step 5: Solve for x
    x = 2,576,891,314.64/56,758.67
  6. Step 6: Final answer
    x = 45,400.84

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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.