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Finding the Fourth Proportional to 35,720.83, 53,581.42 and 9,066.82

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Solution

The fourth proportional to 35,720.83, 53,581.42 and 9,066.82 is: 13,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.83 : 53,581.42 = 9,066.82 : x
  2. Step 2: Convert to fraction form
    35,720.83/53,581.42 = 9,066.82/x
  3. Step 3: Cross multiply
    35,720.83x = 53,581.42 × 9,066.82
  4. Step 4: Simplify right side
    35,720.83x = 485,813,294.09
  5. Step 5: Solve for x
    x = 485,813,294.09/35,720.83
  6. Step 6: Final answer
    x = 13,600.28

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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.