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Finding the Fourth Proportional to 70,475.52, 105,690.70 and 23,077.76

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Solution

The fourth proportional to 70,475.52, 105,690.70 and 23,077.76 is: 34,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.52 : 105,690.70 = 23,077.76 : x
  2. Step 2: Convert to fraction form
    70,475.52/105,690.70 = 23,077.76/x
  3. Step 3: Cross multiply
    70,475.52x = 105,690.70 × 23,077.76
  4. Step 4: Simplify right side
    70,475.52x = 2,439,104,608.83
  5. Step 5: Solve for x
    x = 2,439,104,608.83/70,475.52
  6. Step 6: Final answer
    x = 34,609.25

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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.