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Finding the Fourth Proportional to 1,466.05, 2,023.15 and 802.90

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Solution

The fourth proportional to 1,466.05, 2,023.15 and 802.90 is: 1,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.05 : 2,023.15 = 802.90 : x
  2. Step 2: Convert to fraction form
    1,466.05/2,023.15 = 802.90/x
  3. Step 3: Cross multiply
    1,466.05x = 2,023.15 × 802.90
  4. Step 4: Simplify right side
    1,466.05x = 1,624,387.14
  5. Step 5: Solve for x
    x = 1,624,387.14/1,466.05
  6. Step 6: Final answer
    x = 1,108.00

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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.