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Finding the Fourth Proportional to 6,465.64, 8,915.52 and 4,366.12

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Solution

The fourth proportional to 6,465.64, 8,915.52 and 4,366.12 is: 6,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.64 : 8,915.52 = 4,366.12 : x
  2. Step 2: Convert to fraction form
    6,465.64/8,915.52 = 4,366.12/x
  3. Step 3: Cross multiply
    6,465.64x = 8,915.52 × 4,366.12
  4. Step 4: Simplify right side
    6,465.64x = 38,926,230.18
  5. Step 5: Solve for x
    x = 38,926,230.18/6,465.64
  6. Step 6: Final answer
    x = 6,020.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.