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Finding the Fourth Proportional to 67,440.99, 101,076.74 and 31,902.24

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Solution

The fourth proportional to 67,440.99, 101,076.74 and 31,902.24 is: 47,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.99 : 101,076.74 = 31,902.24 : x
  2. Step 2: Convert to fraction form
    67,440.99/101,076.74 = 31,902.24/x
  3. Step 3: Cross multiply
    67,440.99x = 101,076.74 × 31,902.24
  4. Step 4: Simplify right side
    67,440.99x = 3,224,574,417.90
  5. Step 5: Solve for x
    x = 3,224,574,417.90/67,440.99
  6. Step 6: Final answer
    x = 47,813.27

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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.