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Finding the Fourth Proportional to 12,066.64, 16,648.95 and 7,350.28

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Solution

The fourth proportional to 12,066.64, 16,648.95 and 7,350.28 is: 10,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.64 : 16,648.95 = 7,350.28 : x
  2. Step 2: Convert to fraction form
    12,066.64/16,648.95 = 7,350.28/x
  3. Step 3: Cross multiply
    12,066.64x = 16,648.95 × 7,350.28
  4. Step 4: Simplify right side
    12,066.64x = 122,374,444.21
  5. Step 5: Solve for x
    x = 122,374,444.21/12,066.64
  6. Step 6: Final answer
    x = 10,141.55

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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.