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Finding the Fourth Proportional to 39,098.94, 53,955.22 and 23,173.94

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Solution

The fourth proportional to 39,098.94, 53,955.22 and 23,173.94 is: 31,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.94 : 53,955.22 = 23,173.94 : x
  2. Step 2: Convert to fraction form
    39,098.94/53,955.22 = 23,173.94/x
  3. Step 3: Cross multiply
    39,098.94x = 53,955.22 × 23,173.94
  4. Step 4: Simplify right side
    39,098.94x = 1,250,355,030.97
  5. Step 5: Solve for x
    x = 1,250,355,030.97/39,098.94
  6. Step 6: Final answer
    x = 31,979.26

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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.