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Finding the Fourth Proportional to 39,509.76, 59,263.04 and 9,927.84

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Solution

The fourth proportional to 39,509.76, 59,263.04 and 9,927.84 is: 14,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.76 : 59,263.04 = 9,927.84 : x
  2. Step 2: Convert to fraction form
    39,509.76/59,263.04 = 9,927.84/x
  3. Step 3: Cross multiply
    39,509.76x = 59,263.04 × 9,927.84
  4. Step 4: Simplify right side
    39,509.76x = 588,353,979.03
  5. Step 5: Solve for x
    x = 588,353,979.03/39,509.76
  6. Step 6: Final answer
    x = 14,891.36

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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.