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Finding the Fourth Proportional to 69,690.04, 96,212.10 and 45,885.88

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Solution

The fourth proportional to 69,690.04, 96,212.10 and 45,885.88 is: 63,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.04 : 96,212.10 = 45,885.88 : x
  2. Step 2: Convert to fraction form
    69,690.04/96,212.10 = 45,885.88/x
  3. Step 3: Cross multiply
    69,690.04x = 96,212.10 × 45,885.88
  4. Step 4: Simplify right side
    69,690.04x = 4,414,776,875.15
  5. Step 5: Solve for x
    x = 4,414,776,875.15/69,690.04
  6. Step 6: Final answer
    x = 63,348.75

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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.