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Finding the Fourth Proportional to 74,606.26, 111,909.40 and 25,358.26

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Solution

The fourth proportional to 74,606.26, 111,909.40 and 25,358.26 is: 38,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.26 : 111,909.40 = 25,358.26 : x
  2. Step 2: Convert to fraction form
    74,606.26/111,909.40 = 25,358.26/x
  3. Step 3: Cross multiply
    74,606.26x = 111,909.40 × 25,358.26
  4. Step 4: Simplify right side
    74,606.26x = 2,837,827,661.64
  5. Step 5: Solve for x
    x = 2,837,827,661.64/74,606.26
  6. Step 6: Final answer
    x = 38,037.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.