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Finding the Fourth Proportional to 56,488.76, 77,922.11 and 35,231.12

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Solution

The fourth proportional to 56,488.76, 77,922.11 and 35,231.12 is: 48,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.76 : 77,922.11 = 35,231.12 : x
  2. Step 2: Convert to fraction form
    56,488.76/77,922.11 = 35,231.12/x
  3. Step 3: Cross multiply
    56,488.76x = 77,922.11 × 35,231.12
  4. Step 4: Simplify right side
    56,488.76x = 2,745,283,208.06
  5. Step 5: Solve for x
    x = 2,745,283,208.06/56,488.76
  6. Step 6: Final answer
    x = 48,598.75

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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.