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Finding the Fourth Proportional to 69,041.55, 95,276.71 and 38,827.09

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Solution

The fourth proportional to 69,041.55, 95,276.71 and 38,827.09 is: 53,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,041.55 : 95,276.71 = 38,827.09 : x
  2. Step 2: Convert to fraction form
    69,041.55/95,276.71 = 38,827.09/x
  3. Step 3: Cross multiply
    69,041.55x = 95,276.71 × 38,827.09
  4. Step 4: Simplify right side
    69,041.55x = 3,699,317,394.07
  5. Step 5: Solve for x
    x = 3,699,317,394.07/69,041.55
  6. Step 6: Final answer
    x = 53,581.03

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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.