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Finding the Fourth Proportional to 29,975.99, 45,015.01 and 28,722.11

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Solution

The fourth proportional to 29,975.99, 45,015.01 and 28,722.11 is: 43,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.99 : 45,015.01 = 28,722.11 : x
  2. Step 2: Convert to fraction form
    29,975.99/45,015.01 = 28,722.11/x
  3. Step 3: Cross multiply
    29,975.99x = 45,015.01 × 28,722.11
  4. Step 4: Simplify right side
    29,975.99x = 1,292,925,771.99
  5. Step 5: Solve for x
    x = 1,292,925,771.99/29,975.99
  6. Step 6: Final answer
    x = 43,132.05

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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.