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Finding the Fourth Proportional to 15,911.76, 23,860.08 and 6,548.16

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Solution

The fourth proportional to 15,911.76, 23,860.08 and 6,548.16 is: 9,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.76 : 23,860.08 = 6,548.16 : x
  2. Step 2: Convert to fraction form
    15,911.76/23,860.08 = 6,548.16/x
  3. Step 3: Cross multiply
    15,911.76x = 23,860.08 × 6,548.16
  4. Step 4: Simplify right side
    15,911.76x = 156,239,621.45
  5. Step 5: Solve for x
    x = 156,239,621.45/15,911.76
  6. Step 6: Final answer
    x = 9,819.13

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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.