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Finding the Fourth Proportional to 8,442.48, 12,662.60 and 2,598.60

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Solution

The fourth proportional to 8,442.48, 12,662.60 and 2,598.60 is: 3,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.48 : 12,662.60 = 2,598.60 : x
  2. Step 2: Convert to fraction form
    8,442.48/12,662.60 = 2,598.60/x
  3. Step 3: Cross multiply
    8,442.48x = 12,662.60 × 2,598.60
  4. Step 4: Simplify right side
    8,442.48x = 32,905,032.36
  5. Step 5: Solve for x
    x = 32,905,032.36/8,442.48
  6. Step 6: Final answer
    x = 3,897.56

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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.