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Finding the Fourth Proportional to 70,560.95, 105,898.66 and 37,301.54

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Solution

The fourth proportional to 70,560.95, 105,898.66 and 37,301.54 is: 55,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.95 : 105,898.66 = 37,301.54 : x
  2. Step 2: Convert to fraction form
    70,560.95/105,898.66 = 37,301.54/x
  3. Step 3: Cross multiply
    70,560.95x = 105,898.66 × 37,301.54
  4. Step 4: Simplify right side
    70,560.95x = 3,950,182,479.19
  5. Step 5: Solve for x
    x = 3,950,182,479.19/70,560.95
  6. Step 6: Final answer
    x = 55,982.56

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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.