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Finding the Fourth Proportional to 55,041.30, 75,975.03 and 32,379.12

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Solution

The fourth proportional to 55,041.30, 75,975.03 and 32,379.12 is: 44,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.30 : 75,975.03 = 32,379.12 : x
  2. Step 2: Convert to fraction form
    55,041.30/75,975.03 = 32,379.12/x
  3. Step 3: Cross multiply
    55,041.30x = 75,975.03 × 32,379.12
  4. Step 4: Simplify right side
    55,041.30x = 2,460,004,613.37
  5. Step 5: Solve for x
    x = 2,460,004,613.37/55,041.30
  6. Step 6: Final answer
    x = 44,693.80

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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.