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Finding the Fourth Proportional to 6,590.39, 9,886.08 and 1,910.46

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Solution

The fourth proportional to 6,590.39, 9,886.08 and 1,910.46 is: 2,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.39 : 9,886.08 = 1,910.46 : x
  2. Step 2: Convert to fraction form
    6,590.39/9,886.08 = 1,910.46/x
  3. Step 3: Cross multiply
    6,590.39x = 9,886.08 × 1,910.46
  4. Step 4: Simplify right side
    6,590.39x = 18,887,004.63
  5. Step 5: Solve for x
    x = 18,887,004.63/6,590.39
  6. Step 6: Final answer
    x = 2,865.84

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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.