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Finding the Fourth Proportional to 23,103.64, 34,659.74 and 7,312.64

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Solution

The fourth proportional to 23,103.64, 34,659.74 and 7,312.64 is: 10,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.64 : 34,659.74 = 7,312.64 : x
  2. Step 2: Convert to fraction form
    23,103.64/34,659.74 = 7,312.64/x
  3. Step 3: Cross multiply
    23,103.64x = 34,659.74 × 7,312.64
  4. Step 4: Simplify right side
    23,103.64x = 253,454,201.11
  5. Step 5: Solve for x
    x = 253,454,201.11/23,103.64
  6. Step 6: Final answer
    x = 10,970.31

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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.