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Finding the Fourth Proportional to 18,329.00, 25,293.75 and 10,776.20

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Solution

The fourth proportional to 18,329.00, 25,293.75 and 10,776.20 is: 14,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.00 : 25,293.75 = 10,776.20 : x
  2. Step 2: Convert to fraction form
    18,329.00/25,293.75 = 10,776.20/x
  3. Step 3: Cross multiply
    18,329.00x = 25,293.75 × 10,776.20
  4. Step 4: Simplify right side
    18,329.00x = 272,570,382.28
  5. Step 5: Solve for x
    x = 272,570,382.28/18,329.00
  6. Step 6: Final answer
    x = 14,870.99

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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.