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Finding the Fourth Proportional to 12,590.63, 17,375.07 and 6,925.46

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Solution

The fourth proportional to 12,590.63, 17,375.07 and 6,925.46 is: 9,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.63 : 17,375.07 = 6,925.46 : x
  2. Step 2: Convert to fraction form
    12,590.63/17,375.07 = 6,925.46/x
  3. Step 3: Cross multiply
    12,590.63x = 17,375.07 × 6,925.46
  4. Step 4: Simplify right side
    12,590.63x = 120,330,265.41
  5. Step 5: Solve for x
    x = 120,330,265.41/12,590.63
  6. Step 6: Final answer
    x = 9,557.13

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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.