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Finding the Fourth Proportional to 8,671.07, 11,966.03 and 4,894.28

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Solution

The fourth proportional to 8,671.07, 11,966.03 and 4,894.28 is: 6,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.07 : 11,966.03 = 4,894.28 : x
  2. Step 2: Convert to fraction form
    8,671.07/11,966.03 = 4,894.28/x
  3. Step 3: Cross multiply
    8,671.07x = 11,966.03 × 4,894.28
  4. Step 4: Simplify right side
    8,671.07x = 58,565,076.84
  5. Step 5: Solve for x
    x = 58,565,076.84/8,671.07
  6. Step 6: Final answer
    x = 6,754.08

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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.