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Finding the Fourth Proportional to 59,310.36, 88,972.20 and 19,870.20

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Solution

The fourth proportional to 59,310.36, 88,972.20 and 19,870.20 is: 29,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,310.36 : 88,972.20 = 19,870.20 : x
  2. Step 2: Convert to fraction form
    59,310.36/88,972.20 = 19,870.20/x
  3. Step 3: Cross multiply
    59,310.36x = 88,972.20 × 19,870.20
  4. Step 4: Simplify right side
    59,310.36x = 1,767,895,408.44
  5. Step 5: Solve for x
    x = 1,767,895,408.44/59,310.36
  6. Step 6: Final answer
    x = 29,807.53

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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.