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Finding the Fourth Proportional to 18,028.94, 24,878.15 and 10,071.00

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Solution

The fourth proportional to 18,028.94, 24,878.15 and 10,071.00 is: 13,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.94 : 24,878.15 = 10,071.00 : x
  2. Step 2: Convert to fraction form
    18,028.94/24,878.15 = 10,071.00/x
  3. Step 3: Cross multiply
    18,028.94x = 24,878.15 × 10,071.00
  4. Step 4: Simplify right side
    18,028.94x = 250,547,724.26
  5. Step 5: Solve for x
    x = 250,547,724.26/18,028.94
  6. Step 6: Final answer
    x = 13,896.97

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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.