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Finding the Fourth Proportional to 68,706.07, 94,813.22 and 38,491.29

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Solution

The fourth proportional to 68,706.07, 94,813.22 and 38,491.29 is: 53,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,706.07 : 94,813.22 = 38,491.29 : x
  2. Step 2: Convert to fraction form
    68,706.07/94,813.22 = 38,491.29/x
  3. Step 3: Cross multiply
    68,706.07x = 94,813.22 × 38,491.29
  4. Step 4: Simplify right side
    68,706.07x = 3,649,483,598.63
  5. Step 5: Solve for x
    x = 3,649,483,598.63/68,706.07
  6. Step 6: Final answer
    x = 53,117.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.