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Finding the Fourth Proportional to 25,047.70, 37,572.69 and 13,946.01

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Solution

The fourth proportional to 25,047.70, 37,572.69 and 13,946.01 is: 20,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.70 : 37,572.69 = 13,946.01 : x
  2. Step 2: Convert to fraction form
    25,047.70/37,572.69 = 13,946.01/x
  3. Step 3: Cross multiply
    25,047.70x = 37,572.69 × 13,946.01
  4. Step 4: Simplify right side
    25,047.70x = 523,989,021.87
  5. Step 5: Solve for x
    x = 523,989,021.87/25,047.70
  6. Step 6: Final answer
    x = 20,919.65

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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.