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Finding the Fourth Proportional to 70,645.98, 105,952.53 and 26,293.62

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Solution

The fourth proportional to 70,645.98, 105,952.53 and 26,293.62 is: 39,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645.98 : 105,952.53 = 26,293.62 : x
  2. Step 2: Convert to fraction form
    70,645.98/105,952.53 = 26,293.62/x
  3. Step 3: Cross multiply
    70,645.98x = 105,952.53 × 26,293.62
  4. Step 4: Simplify right side
    70,645.98x = 2,785,875,561.86
  5. Step 5: Solve for x
    x = 2,785,875,561.86/70,645.98
  6. Step 6: Final answer
    x = 39,434.31

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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.