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Finding the Fourth Proportional to 10,661.83, 15,973.56 and 6,276.89

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Solution

The fourth proportional to 10,661.83, 15,973.56 and 6,276.89 is: 9,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.83 : 15,973.56 = 6,276.89 : x
  2. Step 2: Convert to fraction form
    10,661.83/15,973.56 = 6,276.89/x
  3. Step 3: Cross multiply
    10,661.83x = 15,973.56 × 6,276.89
  4. Step 4: Simplify right side
    10,661.83x = 100,264,318.96
  5. Step 5: Solve for x
    x = 100,264,318.96/10,661.83
  6. Step 6: Final answer
    x = 9,404.05

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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.