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Finding the Fourth Proportional to 12,524.59, 18,784.95 and 5,503.06

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Solution

The fourth proportional to 12,524.59, 18,784.95 and 5,503.06 is: 8,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.59 : 18,784.95 = 5,503.06 : x
  2. Step 2: Convert to fraction form
    12,524.59/18,784.95 = 5,503.06/x
  3. Step 3: Cross multiply
    12,524.59x = 18,784.95 × 5,503.06
  4. Step 4: Simplify right side
    12,524.59x = 103,374,706.95
  5. Step 5: Solve for x
    x = 103,374,706.95/12,524.59
  6. Step 6: Final answer
    x = 8,253.74

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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.