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Finding the Fourth Proportional to 39,099.71, 58,653.02 and 11,020.01

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Solution

The fourth proportional to 39,099.71, 58,653.02 and 11,020.01 is: 16,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.71 : 58,653.02 = 11,020.01 : x
  2. Step 2: Convert to fraction form
    39,099.71/58,653.02 = 11,020.01/x
  3. Step 3: Cross multiply
    39,099.71x = 58,653.02 × 11,020.01
  4. Step 4: Simplify right side
    39,099.71x = 646,356,601.22
  5. Step 5: Solve for x
    x = 646,356,601.22/39,099.71
  6. Step 6: Final answer
    x = 16,530.98

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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.