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Finding the Fourth Proportional to 6,466.65, 9,700.02 and 2,765.76

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Solution

The fourth proportional to 6,466.65, 9,700.02 and 2,765.76 is: 4,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.65 : 9,700.02 = 2,765.76 : x
  2. Step 2: Convert to fraction form
    6,466.65/9,700.02 = 2,765.76/x
  3. Step 3: Cross multiply
    6,466.65x = 9,700.02 × 2,765.76
  4. Step 4: Simplify right side
    6,466.65x = 26,827,927.32
  5. Step 5: Solve for x
    x = 26,827,927.32/6,466.65
  6. Step 6: Final answer
    x = 4,148.66

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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.