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Finding the Fourth Proportional to 8,960.64, 13,436.64 and 5,068.32

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Solution

The fourth proportional to 8,960.64, 13,436.64 and 5,068.32 is: 7,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.64 : 13,436.64 = 5,068.32 : x
  2. Step 2: Convert to fraction form
    8,960.64/13,436.64 = 5,068.32/x
  3. Step 3: Cross multiply
    8,960.64x = 13,436.64 × 5,068.32
  4. Step 4: Simplify right side
    8,960.64x = 68,101,191.24
  5. Step 5: Solve for x
    x = 68,101,191.24/8,960.64
  6. Step 6: Final answer
    x = 7,600.04

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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.