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Finding the Fourth Proportional to 14,744.17, 20,347.05 and 8,776.05

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Solution

The fourth proportional to 14,744.17, 20,347.05 and 8,776.05 is: 12,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.17 : 20,347.05 = 8,776.05 : x
  2. Step 2: Convert to fraction form
    14,744.17/20,347.05 = 8,776.05/x
  3. Step 3: Cross multiply
    14,744.17x = 20,347.05 × 8,776.05
  4. Step 4: Simplify right side
    14,744.17x = 178,566,728.15
  5. Step 5: Solve for x
    x = 178,566,728.15/14,744.17
  6. Step 6: Final answer
    x = 12,111.01

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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.