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Finding the Fourth Proportional to 1,465.98, 2,023.10 and 802.88

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Solution

The fourth proportional to 1,465.98, 2,023.10 and 802.88 is: 1,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.98 : 2,023.10 = 802.88 : x
  2. Step 2: Convert to fraction form
    1,465.98/2,023.10 = 802.88/x
  3. Step 3: Cross multiply
    1,465.98x = 2,023.10 × 802.88
  4. Step 4: Simplify right side
    1,465.98x = 1,624,292.40
  5. Step 5: Solve for x
    x = 1,624,292.40/1,465.98
  6. Step 6: Final answer
    x = 1,107.99

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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.