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Finding the Fourth Proportional to 47,011.59, 70,510.41 and 13,722.71

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Solution

The fourth proportional to 47,011.59, 70,510.41 and 13,722.71 is: 20,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.59 : 70,510.41 = 13,722.71 : x
  2. Step 2: Convert to fraction form
    47,011.59/70,510.41 = 13,722.71/x
  3. Step 3: Cross multiply
    47,011.59x = 70,510.41 × 13,722.71
  4. Step 4: Simplify right side
    47,011.59x = 967,593,555.86
  5. Step 5: Solve for x
    x = 967,593,555.86/47,011.59
  6. Step 6: Final answer
    x = 20,582.02

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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.