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Finding the Fourth Proportional to 59,578.80, 89,368.13 and 15,205.55

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Solution

The fourth proportional to 59,578.80, 89,368.13 and 15,205.55 is: 22,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,578.80 : 89,368.13 = 15,205.55 : x
  2. Step 2: Convert to fraction form
    59,578.80/89,368.13 = 15,205.55/x
  3. Step 3: Cross multiply
    59,578.80x = 89,368.13 × 15,205.55
  4. Step 4: Simplify right side
    59,578.80x = 1,358,891,569.12
  5. Step 5: Solve for x
    x = 1,358,891,569.12/59,578.80
  6. Step 6: Final answer
    x = 22,808.31

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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.