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Finding the Fourth Proportional to 57,509.10, 86,267.70 and 32,561.10

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Solution

The fourth proportional to 57,509.10, 86,267.70 and 32,561.10 is: 48,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.10 : 86,267.70 = 32,561.10 : x
  2. Step 2: Convert to fraction form
    57,509.10/86,267.70 = 32,561.10/x
  3. Step 3: Cross multiply
    57,509.10x = 86,267.70 × 32,561.10
  4. Step 4: Simplify right side
    57,509.10x = 2,808,971,206.47
  5. Step 5: Solve for x
    x = 2,808,971,206.47/57,509.10
  6. Step 6: Final answer
    x = 48,843.94

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1.5x scale

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.