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Finding the Fourth Proportional to 5,202.62, 7,802.95 and 1,870.35

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Solution

The fourth proportional to 5,202.62, 7,802.95 and 1,870.35 is: 2,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.62 : 7,802.95 = 1,870.35 : x
  2. Step 2: Convert to fraction form
    5,202.62/7,802.95 = 1,870.35/x
  3. Step 3: Cross multiply
    5,202.62x = 7,802.95 × 1,870.35
  4. Step 4: Simplify right side
    5,202.62x = 14,594,247.53
  5. Step 5: Solve for x
    x = 14,594,247.53/5,202.62
  6. Step 6: Final answer
    x = 2,805.17

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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.