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Finding the Fourth Proportional to 25,355.80, 34,918.92 and 24,813.08

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Solution

The fourth proportional to 25,355.80, 34,918.92 and 24,813.08 is: 34,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.80 : 34,918.92 = 24,813.08 : x
  2. Step 2: Convert to fraction form
    25,355.80/34,918.92 = 24,813.08/x
  3. Step 3: Cross multiply
    25,355.80x = 34,918.92 × 24,813.08
  4. Step 4: Simplify right side
    25,355.80x = 866,445,955.47
  5. Step 5: Solve for x
    x = 866,445,955.47/25,355.80
  6. Step 6: Final answer
    x = 34,171.51

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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.