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Finding the Fourth Proportional to 47,164.64, 70,755.66 and 15,576.89

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Solution

The fourth proportional to 47,164.64, 70,755.66 and 15,576.89 is: 23,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,164.64 : 70,755.66 = 15,576.89 : x
  2. Step 2: Convert to fraction form
    47,164.64/70,755.66 = 15,576.89/x
  3. Step 3: Cross multiply
    47,164.64x = 70,755.66 × 15,576.89
  4. Step 4: Simplify right side
    47,164.64x = 1,102,152,778.92
  5. Step 5: Solve for x
    x = 1,102,152,778.92/47,164.64
  6. Step 6: Final answer
    x = 23,368.20

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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.