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Finding the Fourth Proportional to 35,776.76, 53,670.13 and 10,813.97

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Solution

The fourth proportional to 35,776.76, 53,670.13 and 10,813.97 is: 16,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.76 : 53,670.13 = 10,813.97 : x
  2. Step 2: Convert to fraction form
    35,776.76/53,670.13 = 10,813.97/x
  3. Step 3: Cross multiply
    35,776.76x = 53,670.13 × 10,813.97
  4. Step 4: Simplify right side
    35,776.76x = 580,387,282.86
  5. Step 5: Solve for x
    x = 580,387,282.86/35,776.76
  6. Step 6: Final answer
    x = 16,222.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.