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Finding the Fourth Proportional to 29,235, 43,852.50 and 8,458.68

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Solution

The fourth proportional to 29,235, 43,852.50 and 8,458.68 is: 12,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235 : 43,852.50 = 8,458.68 : x
  2. Step 2: Convert to fraction form
    29,235/43,852.50 = 8,458.68/x
  3. Step 3: Cross multiply
    29,235x = 43,852.50 × 8,458.68
  4. Step 4: Simplify right side
    29,235x = 370,934,264.70
  5. Step 5: Solve for x
    x = 370,934,264.70/29,235
  6. Step 6: Final answer
    x = 12,688.02

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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.