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Finding the Fourth Proportional to 39,392.52, 59,088.78 and 9,811.32

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Solution

The fourth proportional to 39,392.52, 59,088.78 and 9,811.32 is: 14,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.52 : 59,088.78 = 9,811.32 : x
  2. Step 2: Convert to fraction form
    39,392.52/59,088.78 = 9,811.32/x
  3. Step 3: Cross multiply
    39,392.52x = 59,088.78 × 9,811.32
  4. Step 4: Simplify right side
    39,392.52x = 579,738,928.99
  5. Step 5: Solve for x
    x = 579,738,928.99/39,392.52
  6. Step 6: Final answer
    x = 14,716.98

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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.