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Finding the Fourth Proportional to 8,463.69, 12,690.68 and 4,510.08

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Solution

The fourth proportional to 8,463.69, 12,690.68 and 4,510.08 is: 6,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.69 : 12,690.68 = 4,510.08 : x
  2. Step 2: Convert to fraction form
    8,463.69/12,690.68 = 4,510.08/x
  3. Step 3: Cross multiply
    8,463.69x = 12,690.68 × 4,510.08
  4. Step 4: Simplify right side
    8,463.69x = 57,235,959.50
  5. Step 5: Solve for x
    x = 57,235,959.50/8,463.69
  6. Step 6: Final answer
    x = 6,762.53

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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.