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Finding the Fourth Proportional to 57,362.13, 79,127.87 and 53,302.86

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Solution

The fourth proportional to 57,362.13, 79,127.87 and 53,302.86 is: 73,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362.13 : 79,127.87 = 53,302.86 : x
  2. Step 2: Convert to fraction form
    57,362.13/79,127.87 = 53,302.86/x
  3. Step 3: Cross multiply
    57,362.13x = 79,127.87 × 53,302.86
  4. Step 4: Simplify right side
    57,362.13x = 4,217,741,510.19
  5. Step 5: Solve for x
    x = 4,217,741,510.19/57,362.13
  6. Step 6: Final answer
    x = 73,528.33

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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.