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Finding the Fourth Proportional to 14,755.61, 20,362.47 and 8,041.29

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Solution

The fourth proportional to 14,755.61, 20,362.47 and 8,041.29 is: 11,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.61 : 20,362.47 = 8,041.29 : x
  2. Step 2: Convert to fraction form
    14,755.61/20,362.47 = 8,041.29/x
  3. Step 3: Cross multiply
    14,755.61x = 20,362.47 × 8,041.29
  4. Step 4: Simplify right side
    14,755.61x = 163,740,526.39
  5. Step 5: Solve for x
    x = 163,740,526.39/14,755.61
  6. Step 6: Final answer
    x = 11,096.84

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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.