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Finding the Fourth Proportional to 60,804.60, 91,130.75 and 32,655.48

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Solution

The fourth proportional to 60,804.60, 91,130.75 and 32,655.48 is: 48,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,804.60 : 91,130.75 = 32,655.48 : x
  2. Step 2: Convert to fraction form
    60,804.60/91,130.75 = 32,655.48/x
  3. Step 3: Cross multiply
    60,804.60x = 91,130.75 × 32,655.48
  4. Step 4: Simplify right side
    60,804.60x = 2,975,917,928.36
  5. Step 5: Solve for x
    x = 2,975,917,928.36/60,804.60
  6. Step 6: Final answer
    x = 48,942.32

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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.