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Finding the Fourth Proportional to 9,026.64, 13,609.62 and 8,970.48

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Solution

The fourth proportional to 9,026.64, 13,609.62 and 8,970.48 is: 13,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.64 : 13,609.62 = 8,970.48 : x
  2. Step 2: Convert to fraction form
    9,026.64/13,609.62 = 8,970.48/x
  3. Step 3: Cross multiply
    9,026.64x = 13,609.62 × 8,970.48
  4. Step 4: Simplify right side
    9,026.64x = 122,084,824.02
  5. Step 5: Solve for x
    x = 122,084,824.02/9,026.64
  6. Step 6: Final answer
    x = 13,524.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.