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Finding the Fourth Proportional to 45,394.40, 62,643 and 25,250.24

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Solution

The fourth proportional to 45,394.40, 62,643 and 25,250.24 is: 34,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.40 : 62,643 = 25,250.24 : x
  2. Step 2: Convert to fraction form
    45,394.40/62,643 = 25,250.24/x
  3. Step 3: Cross multiply
    45,394.40x = 62,643 × 25,250.24
  4. Step 4: Simplify right side
    45,394.40x = 1,581,750,784.32
  5. Step 5: Solve for x
    x = 1,581,750,784.32/45,394.40
  6. Step 6: Final answer
    x = 34,844.62

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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.