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Finding the Fourth Proportional to 60,601.70, 90,829.65 and 31,004.30

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Solution

The fourth proportional to 60,601.70, 90,829.65 and 31,004.30 is: 46,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.70 : 90,829.65 = 31,004.30 : x
  2. Step 2: Convert to fraction form
    60,601.70/90,829.65 = 31,004.30/x
  3. Step 3: Cross multiply
    60,601.70x = 90,829.65 × 31,004.30
  4. Step 4: Simplify right side
    60,601.70x = 2,816,109,717.50
  5. Step 5: Solve for x
    x = 2,816,109,717.50/60,601.70
  6. Step 6: Final answer
    x = 46,469.15

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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.