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Finding the Fourth Proportional to 85,592.64, 118,113.60 and 47,350.72

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Solution

The fourth proportional to 85,592.64, 118,113.60 and 47,350.72 is: 65,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,592.64 : 118,113.60 = 47,350.72 : x
  2. Step 2: Convert to fraction form
    85,592.64/118,113.60 = 47,350.72/x
  3. Step 3: Cross multiply
    85,592.64x = 118,113.60 × 47,350.72
  4. Step 4: Simplify right side
    85,592.64x = 5,592,764,001.79
  5. Step 5: Solve for x
    x = 5,592,764,001.79/85,592.64
  6. Step 6: Final answer
    x = 65,341.65

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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.