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Finding the Fourth Proportional to 2,802.34, 3,867.06 and 1,560.34

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Solution

The fourth proportional to 2,802.34, 3,867.06 and 1,560.34 is: 2,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.34 : 3,867.06 = 1,560.34 : x
  2. Step 2: Convert to fraction form
    2,802.34/3,867.06 = 1,560.34/x
  3. Step 3: Cross multiply
    2,802.34x = 3,867.06 × 1,560.34
  4. Step 4: Simplify right side
    2,802.34x = 6,033,928.40
  5. Step 5: Solve for x
    x = 6,033,928.40/2,802.34
  6. Step 6: Final answer
    x = 2,153.17

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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.