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Finding the Fourth Proportional to 32,119.50, 48,159 and 15,483.72

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Solution

The fourth proportional to 32,119.50, 48,159 and 15,483.72 is: 23,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,119.50 : 48,159 = 15,483.72 : x
  2. Step 2: Convert to fraction form
    32,119.50/48,159 = 15,483.72/x
  3. Step 3: Cross multiply
    32,119.50x = 48,159 × 15,483.72
  4. Step 4: Simplify right side
    32,119.50x = 745,680,471.48
  5. Step 5: Solve for x
    x = 745,680,471.48/32,119.50
  6. Step 6: Final answer
    x = 23,215.82

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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.