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Finding the Fourth Proportional to 23,989.76, 35,985.72 and 7,348.58

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Solution

The fourth proportional to 23,989.76, 35,985.72 and 7,348.58 is: 11,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.76 : 35,985.72 = 7,348.58 : x
  2. Step 2: Convert to fraction form
    23,989.76/35,985.72 = 7,348.58/x
  3. Step 3: Cross multiply
    23,989.76x = 35,985.72 × 7,348.58
  4. Step 4: Simplify right side
    23,989.76x = 264,443,942.28
  5. Step 5: Solve for x
    x = 264,443,942.28/23,989.76
  6. Step 6: Final answer
    x = 11,023.20

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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.