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Finding the Fourth Proportional to 31,448.93, 43,395.95 and 17,300.93

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Solution

The fourth proportional to 31,448.93, 43,395.95 and 17,300.93 is: 23,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.93 : 43,395.95 = 17,300.93 : x
  2. Step 2: Convert to fraction form
    31,448.93/43,395.95 = 17,300.93/x
  3. Step 3: Cross multiply
    31,448.93x = 43,395.95 × 17,300.93
  4. Step 4: Simplify right side
    31,448.93x = 750,790,119.51
  5. Step 5: Solve for x
    x = 750,790,119.51/31,448.93
  6. Step 6: Final answer
    x = 23,873.32

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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.