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Finding the Fourth Proportional to 70,288.84, 96,950.82 and 41,984.20

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Solution

The fourth proportional to 70,288.84, 96,950.82 and 41,984.20 is: 57,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,288.84 : 96,950.82 = 41,984.20 : x
  2. Step 2: Convert to fraction form
    70,288.84/96,950.82 = 41,984.20/x
  3. Step 3: Cross multiply
    70,288.84x = 96,950.82 × 41,984.20
  4. Step 4: Simplify right side
    70,288.84x = 4,070,402,617.04
  5. Step 5: Solve for x
    x = 4,070,402,617.04/70,288.84
  6. Step 6: Final answer
    x = 57,909.66

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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.