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Finding the Fourth Proportional to 7,264.60, 10,896.90 and 4,341.40

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Solution

The fourth proportional to 7,264.60, 10,896.90 and 4,341.40 is: 6,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264.60 : 10,896.90 = 4,341.40 : x
  2. Step 2: Convert to fraction form
    7,264.60/10,896.90 = 4,341.40/x
  3. Step 3: Cross multiply
    7,264.60x = 10,896.90 × 4,341.40
  4. Step 4: Simplify right side
    7,264.60x = 47,307,801.66
  5. Step 5: Solve for x
    x = 47,307,801.66/7,264.60
  6. Step 6: Final answer
    x = 6,512.10

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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.