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Finding the Fourth Proportional to 58,801.80, 88,145.10 and 30,736.20

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Solution

The fourth proportional to 58,801.80, 88,145.10 and 30,736.20 is: 46,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,801.80 : 88,145.10 = 30,736.20 : x
  2. Step 2: Convert to fraction form
    58,801.80/88,145.10 = 30,736.20/x
  3. Step 3: Cross multiply
    58,801.80x = 88,145.10 × 30,736.20
  4. Step 4: Simplify right side
    58,801.80x = 2,709,245,422.62
  5. Step 5: Solve for x
    x = 2,709,245,422.62/58,801.80
  6. Step 6: Final answer
    x = 46,074.19

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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.