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Finding the Fourth Proportional to 35,009.60, 52,521.60 and 11,652.80

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Solution

The fourth proportional to 35,009.60, 52,521.60 and 11,652.80 is: 17,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,009.60 : 52,521.60 = 11,652.80 : x
  2. Step 2: Convert to fraction form
    35,009.60/52,521.60 = 11,652.80/x
  3. Step 3: Cross multiply
    35,009.60x = 52,521.60 × 11,652.80
  4. Step 4: Simplify right side
    35,009.60x = 612,023,700.48
  5. Step 5: Solve for x
    x = 612,023,700.48/35,009.60
  6. Step 6: Final answer
    x = 17,481.60

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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.