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Finding the Fourth Proportional to 8,655.44, 12,966.08 and 4,498.16

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Solution

The fourth proportional to 8,655.44, 12,966.08 and 4,498.16 is: 6,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.44 : 12,966.08 = 4,498.16 : x
  2. Step 2: Convert to fraction form
    8,655.44/12,966.08 = 4,498.16/x
  3. Step 3: Cross multiply
    8,655.44x = 12,966.08 × 4,498.16
  4. Step 4: Simplify right side
    8,655.44x = 58,323,415.09
  5. Step 5: Solve for x
    x = 58,323,415.09/8,655.44
  6. Step 6: Final answer
    x = 6,738.36

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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.