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Finding the Fourth Proportional to 61,964.44, 85,510.63 and 35,106.90

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Solution

The fourth proportional to 61,964.44, 85,510.63 and 35,106.90 is: 48,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,964.44 : 85,510.63 = 35,106.90 : x
  2. Step 2: Convert to fraction form
    61,964.44/85,510.63 = 35,106.90/x
  3. Step 3: Cross multiply
    61,964.44x = 85,510.63 × 35,106.90
  4. Step 4: Simplify right side
    61,964.44x = 3,002,012,859.57
  5. Step 5: Solve for x
    x = 3,002,012,859.57/61,964.44
  6. Step 6: Final answer
    x = 48,447.35

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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.