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Finding the Fourth Proportional to 25,528.49, 38,292.92 and 8,888.49

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Solution

The fourth proportional to 25,528.49, 38,292.92 and 8,888.49 is: 13,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.49 : 38,292.92 = 8,888.49 : x
  2. Step 2: Convert to fraction form
    25,528.49/38,292.92 = 8,888.49/x
  3. Step 3: Cross multiply
    25,528.49x = 38,292.92 × 8,888.49
  4. Step 4: Simplify right side
    25,528.49x = 340,366,342.45
  5. Step 5: Solve for x
    x = 340,366,342.45/25,528.49
  6. Step 6: Final answer
    x = 13,332.80

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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.