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Finding the Fourth Proportional to 39,533.88, 59,018.88 and 38,149.86

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Solution

The fourth proportional to 39,533.88, 59,018.88 and 38,149.86 is: 56,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533.88 : 59,018.88 = 38,149.86 : x
  2. Step 2: Convert to fraction form
    39,533.88/59,018.88 = 38,149.86/x
  3. Step 3: Cross multiply
    39,533.88x = 59,018.88 × 38,149.86
  4. Step 4: Simplify right side
    39,533.88x = 2,251,562,009.36
  5. Step 5: Solve for x
    x = 2,251,562,009.36/39,533.88
  6. Step 6: Final answer
    x = 56,952.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.