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Finding the Fourth Proportional to 59,220.30, 88,844.39 and 19,239.15

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Solution

The fourth proportional to 59,220.30, 88,844.39 and 19,239.15 is: 28,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,220.30 : 88,844.39 = 19,239.15 : x
  2. Step 2: Convert to fraction form
    59,220.30/88,844.39 = 19,239.15/x
  3. Step 3: Cross multiply
    59,220.30x = 88,844.39 × 19,239.15
  4. Step 4: Simplify right side
    59,220.30x = 1,709,290,449.67
  5. Step 5: Solve for x
    x = 1,709,290,449.67/59,220.30
  6. Step 6: Final answer
    x = 28,863.25

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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.