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Finding the Fourth Proportional to 12,925.70, 17,844.24 and 8,698.98

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Solution

The fourth proportional to 12,925.70, 17,844.24 and 8,698.98 is: 12,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.70 : 17,844.24 = 8,698.98 : x
  2. Step 2: Convert to fraction form
    12,925.70/17,844.24 = 8,698.98/x
  3. Step 3: Cross multiply
    12,925.70x = 17,844.24 × 8,698.98
  4. Step 4: Simplify right side
    12,925.70x = 155,226,686.88
  5. Step 5: Solve for x
    x = 155,226,686.88/12,925.70
  6. Step 6: Final answer
    x = 12,009.15

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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.