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Finding the Fourth Proportional to 60,419.54, 90,536.16 and 32,343.32

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Solution

The fourth proportional to 60,419.54, 90,536.16 and 32,343.32 is: 48,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,419.54 : 90,536.16 = 32,343.32 : x
  2. Step 2: Convert to fraction form
    60,419.54/90,536.16 = 32,343.32/x
  3. Step 3: Cross multiply
    60,419.54x = 90,536.16 × 32,343.32
  4. Step 4: Simplify right side
    60,419.54x = 2,928,239,994.45
  5. Step 5: Solve for x
    x = 2,928,239,994.45/60,419.54
  6. Step 6: Final answer
    x = 48,465.12

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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.