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Finding the Fourth Proportional to 3,053.84, 4,580.92 and 974.02

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Solution

The fourth proportional to 3,053.84, 4,580.92 and 974.02 is: 1,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.84 : 4,580.92 = 974.02 : x
  2. Step 2: Convert to fraction form
    3,053.84/4,580.92 = 974.02/x
  3. Step 3: Cross multiply
    3,053.84x = 4,580.92 × 974.02
  4. Step 4: Simplify right side
    3,053.84x = 4,461,907.70
  5. Step 5: Solve for x
    x = 4,461,907.70/3,053.84
  6. Step 6: Final answer
    x = 1,461.08

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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.