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Finding the Fourth Proportional to 72,930.84, 109,396.24 and 17,526.84

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Solution

The fourth proportional to 72,930.84, 109,396.24 and 17,526.84 is: 26,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,930.84 : 109,396.24 = 17,526.84 : x
  2. Step 2: Convert to fraction form
    72,930.84/109,396.24 = 17,526.84/x
  3. Step 3: Cross multiply
    72,930.84x = 109,396.24 × 17,526.84
  4. Step 4: Simplify right side
    72,930.84x = 1,917,370,395.08
  5. Step 5: Solve for x
    x = 1,917,370,395.08/72,930.84
  6. Step 6: Final answer
    x = 26,290.26

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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.