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Finding the Fourth Proportional to 45,878.76, 68,706.90 and 23,330.12

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Solution

The fourth proportional to 45,878.76, 68,706.90 and 23,330.12 is: 34,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,878.76 : 68,706.90 = 23,330.12 : x
  2. Step 2: Convert to fraction form
    45,878.76/68,706.90 = 23,330.12/x
  3. Step 3: Cross multiply
    45,878.76x = 68,706.90 × 23,330.12
  4. Step 4: Simplify right side
    45,878.76x = 1,602,939,878.29
  5. Step 5: Solve for x
    x = 1,602,939,878.29/45,878.76
  6. Step 6: Final answer
    x = 34,938.61

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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.