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Finding the Fourth Proportional to 47,478.88, 65,590.32 and 37,473.76

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Solution

The fourth proportional to 47,478.88, 65,590.32 and 37,473.76 is: 51,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.88 : 65,590.32 = 37,473.76 : x
  2. Step 2: Convert to fraction form
    47,478.88/65,590.32 = 37,473.76/x
  3. Step 3: Cross multiply
    47,478.88x = 65,590.32 × 37,473.76
  4. Step 4: Simplify right side
    47,478.88x = 2,457,915,910.00
  5. Step 5: Solve for x
    x = 2,457,915,910.00/47,478.88
  6. Step 6: Final answer
    x = 51,768.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.