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Finding the Fourth Proportional to 45,862.82, 68,794.32 and 12,583.34

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Solution

The fourth proportional to 45,862.82, 68,794.32 and 12,583.34 is: 18,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.82 : 68,794.32 = 12,583.34 : x
  2. Step 2: Convert to fraction form
    45,862.82/68,794.32 = 12,583.34/x
  3. Step 3: Cross multiply
    45,862.82x = 68,794.32 × 12,583.34
  4. Step 4: Simplify right side
    45,862.82x = 865,662,318.63
  5. Step 5: Solve for x
    x = 865,662,318.63/45,862.82
  6. Step 6: Final answer
    x = 18,875.03

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1.5x scale

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.