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Finding the Fourth Proportional to 47,429.80, 65,452.34 and 25,919.08

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Solution

The fourth proportional to 47,429.80, 65,452.34 and 25,919.08 is: 35,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.80 : 65,452.34 = 25,919.08 : x
  2. Step 2: Convert to fraction form
    47,429.80/65,452.34 = 25,919.08/x
  3. Step 3: Cross multiply
    47,429.80x = 65,452.34 × 25,919.08
  4. Step 4: Simplify right side
    47,429.80x = 1,696,464,337.81
  5. Step 5: Solve for x
    x = 1,696,464,337.81/47,429.80
  6. Step 6: Final answer
    x = 35,767.90

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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.