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Finding the Fourth Proportional to 1,465.93, 2,022.99 and 802.85

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Solution

The fourth proportional to 1,465.93, 2,022.99 and 802.85 is: 1,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.93 : 2,022.99 = 802.85 : x
  2. Step 2: Convert to fraction form
    1,465.93/2,022.99 = 802.85/x
  3. Step 3: Cross multiply
    1,465.93x = 2,022.99 × 802.85
  4. Step 4: Simplify right side
    1,465.93x = 1,624,148.91
  5. Step 5: Solve for x
    x = 1,624,148.91/1,465.93
  6. Step 6: Final answer
    x = 1,107.93

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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.