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Finding the Fourth Proportional to 58,679.62, 88,019.07 and 19,236.46

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Solution

The fourth proportional to 58,679.62, 88,019.07 and 19,236.46 is: 28,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,679.62 : 88,019.07 = 19,236.46 : x
  2. Step 2: Convert to fraction form
    58,679.62/88,019.07 = 19,236.46/x
  3. Step 3: Cross multiply
    58,679.62x = 88,019.07 × 19,236.46
  4. Step 4: Simplify right side
    58,679.62x = 1,693,175,319.29
  5. Step 5: Solve for x
    x = 1,693,175,319.29/58,679.62
  6. Step 6: Final answer
    x = 28,854.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.