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Finding the Fourth Proportional to 66,594.80, 91,903.57 and 38,300.49

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Solution

The fourth proportional to 66,594.80, 91,903.57 and 38,300.49 is: 52,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594.80 : 91,903.57 = 38,300.49 : x
  2. Step 2: Convert to fraction form
    66,594.80/91,903.57 = 38,300.49/x
  3. Step 3: Cross multiply
    66,594.80x = 91,903.57 × 38,300.49
  4. Step 4: Simplify right side
    66,594.80x = 3,519,951,668.00
  5. Step 5: Solve for x
    x = 3,519,951,668.00/66,594.80
  6. Step 6: Final answer
    x = 52,856.25

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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.