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Finding the Fourth Proportional to 35,781.81, 53,590.97 and 17,074.99

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Solution

The fourth proportional to 35,781.81, 53,590.97 and 17,074.99 is: 25,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.81 : 53,590.97 = 17,074.99 : x
  2. Step 2: Convert to fraction form
    35,781.81/53,590.97 = 17,074.99/x
  3. Step 3: Cross multiply
    35,781.81x = 53,590.97 × 17,074.99
  4. Step 4: Simplify right side
    35,781.81x = 915,065,323.16
  5. Step 5: Solve for x
    x = 915,065,323.16/35,781.81
  6. Step 6: Final answer
    x = 25,573.48

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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.