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Finding the Fourth Proportional to 15,763.17, 21,753.44 and 8,593.01

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Solution

The fourth proportional to 15,763.17, 21,753.44 and 8,593.01 is: 11,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.17 : 21,753.44 = 8,593.01 : x
  2. Step 2: Convert to fraction form
    15,763.17/21,753.44 = 8,593.01/x
  3. Step 3: Cross multiply
    15,763.17x = 21,753.44 × 8,593.01
  4. Step 4: Simplify right side
    15,763.17x = 186,927,527.45
  5. Step 5: Solve for x
    x = 186,927,527.45/15,763.17
  6. Step 6: Final answer
    x = 11,858.50

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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.