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Finding the Fourth Proportional to 45,476.34, 68,214.63 and 15,894.17

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Solution

The fourth proportional to 45,476.34, 68,214.63 and 15,894.17 is: 23,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,476.34 : 68,214.63 = 15,894.17 : x
  2. Step 2: Convert to fraction form
    45,476.34/68,214.63 = 15,894.17/x
  3. Step 3: Cross multiply
    45,476.34x = 68,214.63 × 15,894.17
  4. Step 4: Simplify right side
    45,476.34x = 1,084,215,239.05
  5. Step 5: Solve for x
    x = 1,084,215,239.05/45,476.34
  6. Step 6: Final answer
    x = 23,841.31

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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.