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Finding the Fourth Proportional to 70,404.30, 105,574.88 and 41,954.67

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Solution

The fourth proportional to 70,404.30, 105,574.88 and 41,954.67 is: 62,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,404.30 : 105,574.88 = 41,954.67 : x
  2. Step 2: Convert to fraction form
    70,404.30/105,574.88 = 41,954.67/x
  3. Step 3: Cross multiply
    70,404.30x = 105,574.88 × 41,954.67
  4. Step 4: Simplify right side
    70,404.30x = 4,429,359,040.92
  5. Step 5: Solve for x
    x = 4,429,359,040.92/70,404.30
  6. Step 6: Final answer
    x = 62,913.19

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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.