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Finding the Fourth Proportional to 69,493.59, 95,904.95 and 39,280.23

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Solution

The fourth proportional to 69,493.59, 95,904.95 and 39,280.23 is: 54,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,493.59 : 95,904.95 = 39,280.23 : x
  2. Step 2: Convert to fraction form
    69,493.59/95,904.95 = 39,280.23/x
  3. Step 3: Cross multiply
    69,493.59x = 95,904.95 × 39,280.23
  4. Step 4: Simplify right side
    69,493.59x = 3,767,168,297.74
  5. Step 5: Solve for x
    x = 3,767,168,297.74/69,493.59
  6. Step 6: Final answer
    x = 54,208.86

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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.