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Finding the Fourth Proportional to 23,027.60, 34,541.40 and 9,905.60

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Solution

The fourth proportional to 23,027.60, 34,541.40 and 9,905.60 is: 14,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.60 : 34,541.40 = 9,905.60 : x
  2. Step 2: Convert to fraction form
    23,027.60/34,541.40 = 9,905.60/x
  3. Step 3: Cross multiply
    23,027.60x = 34,541.40 × 9,905.60
  4. Step 4: Simplify right side
    23,027.60x = 342,153,291.84
  5. Step 5: Solve for x
    x = 342,153,291.84/23,027.60
  6. Step 6: Final answer
    x = 14,858.40

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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.