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Finding the Fourth Proportional to 29,519.04, 40,912.08 and 28,966.08

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Solution

The fourth proportional to 29,519.04, 40,912.08 and 28,966.08 is: 40,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,519.04 : 40,912.08 = 28,966.08 : x
  2. Step 2: Convert to fraction form
    29,519.04/40,912.08 = 28,966.08/x
  3. Step 3: Cross multiply
    29,519.04x = 40,912.08 × 28,966.08
  4. Step 4: Simplify right side
    29,519.04x = 1,185,062,582.25
  5. Step 5: Solve for x
    x = 1,185,062,582.25/29,519.04
  6. Step 6: Final answer
    x = 40,145.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.