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Finding the Fourth Proportional to 5,775.88, 7,966.18 and 4,980.52

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Solution

The fourth proportional to 5,775.88, 7,966.18 and 4,980.52 is: 6,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.88 : 7,966.18 = 4,980.52 : x
  2. Step 2: Convert to fraction form
    5,775.88/7,966.18 = 4,980.52/x
  3. Step 3: Cross multiply
    5,775.88x = 7,966.18 × 4,980.52
  4. Step 4: Simplify right side
    5,775.88x = 39,675,718.81
  5. Step 5: Solve for x
    x = 39,675,718.81/5,775.88
  6. Step 6: Final answer
    x = 6,869.21

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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.