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Finding the Fourth Proportional to 46,859, 70,257.26 and 25,808.90

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Solution

The fourth proportional to 46,859, 70,257.26 and 25,808.90 is: 38,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,859 : 70,257.26 = 25,808.90 : x
  2. Step 2: Convert to fraction form
    46,859/70,257.26 = 25,808.90/x
  3. Step 3: Cross multiply
    46,859x = 70,257.26 × 25,808.90
  4. Step 4: Simplify right side
    46,859x = 1,813,262,597.61
  5. Step 5: Solve for x
    x = 1,813,262,597.61/46,859
  6. Step 6: Final answer
    x = 38,696.14

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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.