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Finding the Fourth Proportional to 57,804.50, 79,776.70 and 32,655.62

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Solution

The fourth proportional to 57,804.50, 79,776.70 and 32,655.62 is: 45,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.50 : 79,776.70 = 32,655.62 : x
  2. Step 2: Convert to fraction form
    57,804.50/79,776.70 = 32,655.62/x
  3. Step 3: Cross multiply
    57,804.50x = 79,776.70 × 32,655.62
  4. Step 4: Simplify right side
    57,804.50x = 2,605,157,600.05
  5. Step 5: Solve for x
    x = 2,605,157,600.05/57,804.50
  6. Step 6: Final answer
    x = 45,068.42

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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.