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Finding the Fourth Proportional to 25,503.84, 38,254.71 and 8,867.64

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Solution

The fourth proportional to 25,503.84, 38,254.71 and 8,867.64 is: 13,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.84 : 38,254.71 = 8,867.64 : x
  2. Step 2: Convert to fraction form
    25,503.84/38,254.71 = 8,867.64/x
  3. Step 3: Cross multiply
    25,503.84x = 38,254.71 × 8,867.64
  4. Step 4: Simplify right side
    25,503.84x = 339,228,996.58
  5. Step 5: Solve for x
    x = 339,228,996.58/25,503.84
  6. Step 6: Final answer
    x = 13,301.09

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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.