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Finding the Fourth Proportional to 35,449.80, 53,207.24 and 17,931.93

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Solution

The fourth proportional to 35,449.80, 53,207.24 and 17,931.93 is: 26,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.80 : 53,207.24 = 17,931.93 : x
  2. Step 2: Convert to fraction form
    35,449.80/53,207.24 = 17,931.93/x
  3. Step 3: Cross multiply
    35,449.80x = 53,207.24 × 17,931.93
  4. Step 4: Simplify right side
    35,449.80x = 954,108,413.51
  5. Step 5: Solve for x
    x = 954,108,413.51/35,449.80
  6. Step 6: Final answer
    x = 26,914.35

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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.