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Finding the Fourth Proportional to 34,362.76, 47,420.77 and 22,419.04

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Solution

The fourth proportional to 34,362.76, 47,420.77 and 22,419.04 is: 30,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,362.76 : 47,420.77 = 22,419.04 : x
  2. Step 2: Convert to fraction form
    34,362.76/47,420.77 = 22,419.04/x
  3. Step 3: Cross multiply
    34,362.76x = 47,420.77 × 22,419.04
  4. Step 4: Simplify right side
    34,362.76x = 1,063,127,902.36
  5. Step 5: Solve for x
    x = 1,063,127,902.36/34,362.76
  6. Step 6: Final answer
    x = 30,938.38

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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.