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Finding the Fourth Proportional to 70,743.83, 97,625.00 and 38,479.10

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Solution

The fourth proportional to 70,743.83, 97,625.00 and 38,479.10 is: 53,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.83 : 97,625.00 = 38,479.10 : x
  2. Step 2: Convert to fraction form
    70,743.83/97,625.00 = 38,479.10/x
  3. Step 3: Cross multiply
    70,743.83x = 97,625.00 × 38,479.10
  4. Step 4: Simplify right side
    70,743.83x = 3,756,521,745.57
  5. Step 5: Solve for x
    x = 3,756,521,745.57/70,743.83
  6. Step 6: Final answer
    x = 53,100.35

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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.