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Finding the Fourth Proportional to 47,270.64, 70,898.90 and 15,702.66

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Solution

The fourth proportional to 47,270.64, 70,898.90 and 15,702.66 is: 23,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.64 : 70,898.90 = 15,702.66 : x
  2. Step 2: Convert to fraction form
    47,270.64/70,898.90 = 15,702.66/x
  3. Step 3: Cross multiply
    47,270.64x = 70,898.90 × 15,702.66
  4. Step 4: Simplify right side
    47,270.64x = 1,113,301,242.56
  5. Step 5: Solve for x
    x = 1,113,301,242.56/47,270.64
  6. Step 6: Final answer
    x = 23,551.64

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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.