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Finding the Fourth Proportional to 47,187.54, 70,731.95 and 17,592.50

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Solution

The fourth proportional to 47,187.54, 70,731.95 and 17,592.50 is: 26,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,187.54 : 70,731.95 = 17,592.50 : x
  2. Step 2: Convert to fraction form
    47,187.54/70,731.95 = 17,592.50/x
  3. Step 3: Cross multiply
    47,187.54x = 70,731.95 × 17,592.50
  4. Step 4: Simplify right side
    47,187.54x = 1,244,351,830.38
  5. Step 5: Solve for x
    x = 1,244,351,830.38/47,187.54
  6. Step 6: Final answer
    x = 26,370.35

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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.