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Finding the Fourth Proportional to 47,154.08, 70,716 and 44,048

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Solution

The fourth proportional to 47,154.08, 70,716 and 44,048 is: 66,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,154.08 : 70,716 = 44,048 : x
  2. Step 2: Convert to fraction form
    47,154.08/70,716 = 44,048/x
  3. Step 3: Cross multiply
    47,154.08x = 70,716 × 44,048
  4. Step 4: Simplify right side
    47,154.08x = 3,114,898,368
  5. Step 5: Solve for x
    x = 3,114,898,368/47,154.08
  6. Step 6: Final answer
    x = 66,057.88

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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.