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Finding the Fourth Proportional to 8,655.93, 12,925.44 and 8,604.09

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Solution

The fourth proportional to 8,655.93, 12,925.44 and 8,604.09 is: 12,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.93 : 12,925.44 = 8,604.09 : x
  2. Step 2: Convert to fraction form
    8,655.93/12,925.44 = 8,604.09/x
  3. Step 3: Cross multiply
    8,655.93x = 12,925.44 × 8,604.09
  4. Step 4: Simplify right side
    8,655.93x = 111,211,649.05
  5. Step 5: Solve for x
    x = 111,211,649.05/8,655.93
  6. Step 6: Final answer
    x = 12,848.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.