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Finding the Fourth Proportional to 40,258, 60,328.64 and 22,690.44

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Solution

The fourth proportional to 40,258, 60,328.64 and 22,690.44 is: 34,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,258 : 60,328.64 = 22,690.44 : x
  2. Step 2: Convert to fraction form
    40,258/60,328.64 = 22,690.44/x
  3. Step 3: Cross multiply
    40,258x = 60,328.64 × 22,690.44
  4. Step 4: Simplify right side
    40,258x = 1,368,883,386.20
  5. Step 5: Solve for x
    x = 1,368,883,386.20/40,258
  6. Step 6: Final answer
    x = 34,002.77

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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.