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Finding the Fourth Proportional to 6,590.42, 9,886.71 and 2,693.78

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Solution

The fourth proportional to 6,590.42, 9,886.71 and 2,693.78 is: 4,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.42 : 9,886.71 = 2,693.78 : x
  2. Step 2: Convert to fraction form
    6,590.42/9,886.71 = 2,693.78/x
  3. Step 3: Cross multiply
    6,590.42x = 9,886.71 × 2,693.78
  4. Step 4: Simplify right side
    6,590.42x = 26,632,621.66
  5. Step 5: Solve for x
    x = 26,632,621.66/6,590.42
  6. Step 6: Final answer
    x = 4,041.11

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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.