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Finding the Fourth Proportional to 3,070.97, 4,606.61 and 880.02

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Solution

The fourth proportional to 3,070.97, 4,606.61 and 880.02 is: 1,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.97 : 4,606.61 = 880.02 : x
  2. Step 2: Convert to fraction form
    3,070.97/4,606.61 = 880.02/x
  3. Step 3: Cross multiply
    3,070.97x = 4,606.61 × 880.02
  4. Step 4: Simplify right side
    3,070.97x = 4,053,904.53
  5. Step 5: Solve for x
    x = 4,053,904.53/3,070.97
  6. Step 6: Final answer
    x = 1,320.08

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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.