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Finding the Fourth Proportional to 8,590.46, 11,860.55 and 6,597.46

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Solution

The fourth proportional to 8,590.46, 11,860.55 and 6,597.46 is: 9,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.46 : 11,860.55 = 6,597.46 : x
  2. Step 2: Convert to fraction form
    8,590.46/11,860.55 = 6,597.46/x
  3. Step 3: Cross multiply
    8,590.46x = 11,860.55 × 6,597.46
  4. Step 4: Simplify right side
    8,590.46x = 78,249,466.30
  5. Step 5: Solve for x
    x = 78,249,466.30/8,590.46
  6. Step 6: Final answer
    x = 9,108.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.