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Finding the Fourth Proportional to 57,509.64, 79,357.86 and 32,357.52

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Solution

The fourth proportional to 57,509.64, 79,357.86 and 32,357.52 is: 44,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.64 : 79,357.86 = 32,357.52 : x
  2. Step 2: Convert to fraction form
    57,509.64/79,357.86 = 32,357.52/x
  3. Step 3: Cross multiply
    57,509.64x = 79,357.86 × 32,357.52
  4. Step 4: Simplify right side
    57,509.64x = 2,567,823,542.11
  5. Step 5: Solve for x
    x = 2,567,823,542.11/57,509.64
  6. Step 6: Final answer
    x = 44,650.32

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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.