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Finding the Fourth Proportional to 45,263, 67,894.62 and 14,098.28

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Solution

The fourth proportional to 45,263, 67,894.62 and 14,098.28 is: 21,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,263 : 67,894.62 = 14,098.28 : x
  2. Step 2: Convert to fraction form
    45,263/67,894.62 = 14,098.28/x
  3. Step 3: Cross multiply
    45,263x = 67,894.62 × 14,098.28
  4. Step 4: Simplify right side
    45,263x = 957,197,363.25
  5. Step 5: Solve for x
    x = 957,197,363.25/45,263
  6. Step 6: Final answer
    x = 21,147.46

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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.