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Finding the Fourth Proportional to 15,404.12, 23,106.54 and 8,827.16

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Solution

The fourth proportional to 15,404.12, 23,106.54 and 8,827.16 is: 13,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.12 : 23,106.54 = 8,827.16 : x
  2. Step 2: Convert to fraction form
    15,404.12/23,106.54 = 8,827.16/x
  3. Step 3: Cross multiply
    15,404.12x = 23,106.54 × 8,827.16
  4. Step 4: Simplify right side
    15,404.12x = 203,965,125.63
  5. Step 5: Solve for x
    x = 203,965,125.63/15,404.12
  6. Step 6: Final answer
    x = 13,240.95

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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.