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Finding the Fourth Proportional to 59,585.44, 89,378.08 and 15,212.20

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Solution

The fourth proportional to 59,585.44, 89,378.08 and 15,212.20 is: 22,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,585.44 : 89,378.08 = 15,212.20 : x
  2. Step 2: Convert to fraction form
    59,585.44/89,378.08 = 15,212.20/x
  3. Step 3: Cross multiply
    59,585.44x = 89,378.08 × 15,212.20
  4. Step 4: Simplify right side
    59,585.44x = 1,359,637,228.58
  5. Step 5: Solve for x
    x = 1,359,637,228.58/59,585.44
  6. Step 6: Final answer
    x = 22,818.28

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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.