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Finding the Fourth Proportional to 52,603, 72,594.30 and 30,247

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Solution

The fourth proportional to 52,603, 72,594.30 and 30,247 is: 41,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603 : 72,594.30 = 30,247 : x
  2. Step 2: Convert to fraction form
    52,603/72,594.30 = 30,247/x
  3. Step 3: Cross multiply
    52,603x = 72,594.30 × 30,247
  4. Step 4: Simplify right side
    52,603x = 2,195,759,792.10
  5. Step 5: Solve for x
    x = 2,195,759,792.10/52,603
  6. Step 6: Final answer
    x = 41,742.10

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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.