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Finding the Fourth Proportional to 74,113.04, 111,169.80 and 17,953.04

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Solution

The fourth proportional to 74,113.04, 111,169.80 and 17,953.04 is: 26,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,113.04 : 111,169.80 = 17,953.04 : x
  2. Step 2: Convert to fraction form
    74,113.04/111,169.80 = 17,953.04/x
  3. Step 3: Cross multiply
    74,113.04x = 111,169.80 × 17,953.04
  4. Step 4: Simplify right side
    74,113.04x = 1,995,836,144.12
  5. Step 5: Solve for x
    x = 1,995,836,144.12/74,113.04
  6. Step 6: Final answer
    x = 26,929.62

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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.