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Finding the Fourth Proportional to 30,404.24, 45,406.74 and 25,914.05

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Solution

The fourth proportional to 30,404.24, 45,406.74 and 25,914.05 is: 38,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.24 : 45,406.74 = 25,914.05 : x
  2. Step 2: Convert to fraction form
    30,404.24/45,406.74 = 25,914.05/x
  3. Step 3: Cross multiply
    30,404.24x = 45,406.74 × 25,914.05
  4. Step 4: Simplify right side
    30,404.24x = 1,176,672,401.13
  5. Step 5: Solve for x
    x = 1,176,672,401.13/30,404.24
  6. Step 6: Final answer
    x = 38,700.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.