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Finding the Fourth Proportional to 10,590.62, 15,881.67 and 4,351.59

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Solution

The fourth proportional to 10,590.62, 15,881.67 and 4,351.59 is: 6,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.62 : 15,881.67 = 4,351.59 : x
  2. Step 2: Convert to fraction form
    10,590.62/15,881.67 = 4,351.59/x
  3. Step 3: Cross multiply
    10,590.62x = 15,881.67 × 4,351.59
  4. Step 4: Simplify right side
    10,590.62x = 69,110,516.36
  5. Step 5: Solve for x
    x = 69,110,516.36/10,590.62
  6. Step 6: Final answer
    x = 6,525.64

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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.