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Finding the Fourth Proportional to 6,493.56, 8,956.28 and 4,368.40

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Solution

The fourth proportional to 6,493.56, 8,956.28 and 4,368.40 is: 6,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.56 : 8,956.28 = 4,368.40 : x
  2. Step 2: Convert to fraction form
    6,493.56/8,956.28 = 4,368.40/x
  3. Step 3: Cross multiply
    6,493.56x = 8,956.28 × 4,368.40
  4. Step 4: Simplify right side
    6,493.56x = 39,124,613.55
  5. Step 5: Solve for x
    x = 39,124,613.55/6,493.56
  6. Step 6: Final answer
    x = 6,025.14

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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.