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Finding the Fourth Proportional to 69,668.04, 96,147.83 and 39,458.74

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Solution

The fourth proportional to 69,668.04, 96,147.83 and 39,458.74 is: 54,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.04 : 96,147.83 = 39,458.74 : x
  2. Step 2: Convert to fraction form
    69,668.04/96,147.83 = 39,458.74/x
  3. Step 3: Cross multiply
    69,668.04x = 96,147.83 × 39,458.74
  4. Step 4: Simplify right side
    69,668.04x = 3,793,871,547.50
  5. Step 5: Solve for x
    x = 3,793,871,547.50/69,668.04
  6. Step 6: Final answer
    x = 54,456.41

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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.