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Finding the Fourth Proportional to 70,882.57, 97,818.24 and 39,050.79

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Solution

The fourth proportional to 70,882.57, 97,818.24 and 39,050.79 is: 53,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.57 : 97,818.24 = 39,050.79 : x
  2. Step 2: Convert to fraction form
    70,882.57/97,818.24 = 39,050.79/x
  3. Step 3: Cross multiply
    70,882.57x = 97,818.24 × 39,050.79
  4. Step 4: Simplify right side
    70,882.57x = 3,819,879,548.41
  5. Step 5: Solve for x
    x = 3,819,879,548.41/70,882.57
  6. Step 6: Final answer
    x = 53,890.25

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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.