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Finding the Fourth Proportional to 69,759.42, 96,267.78 and 37,928.40

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Solution

The fourth proportional to 69,759.42, 96,267.78 and 37,928.40 is: 52,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759.42 : 96,267.78 = 37,928.40 : x
  2. Step 2: Convert to fraction form
    69,759.42/96,267.78 = 37,928.40/x
  3. Step 3: Cross multiply
    69,759.42x = 96,267.78 × 37,928.40
  4. Step 4: Simplify right side
    69,759.42x = 3,651,282,866.95
  5. Step 5: Solve for x
    x = 3,651,282,866.95/69,759.42
  6. Step 6: Final answer
    x = 52,341.07

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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.