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Finding the Fourth Proportional to 4,762.84, 6,572.28 and 2,666.56

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Solution

The fourth proportional to 4,762.84, 6,572.28 and 2,666.56 is: 3,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.84 : 6,572.28 = 2,666.56 : x
  2. Step 2: Convert to fraction form
    4,762.84/6,572.28 = 2,666.56/x
  3. Step 3: Cross multiply
    4,762.84x = 6,572.28 × 2,666.56
  4. Step 4: Simplify right side
    4,762.84x = 17,525,378.96
  5. Step 5: Solve for x
    x = 17,525,378.96/4,762.84
  6. Step 6: Final answer
    x = 3,679.61

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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.