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Finding the Fourth Proportional to 25,152.36, 37,728.90 and 10,361.40

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Solution

The fourth proportional to 25,152.36, 37,728.90 and 10,361.40 is: 15,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.36 : 37,728.90 = 10,361.40 : x
  2. Step 2: Convert to fraction form
    25,152.36/37,728.90 = 10,361.40/x
  3. Step 3: Cross multiply
    25,152.36x = 37,728.90 × 10,361.40
  4. Step 4: Simplify right side
    25,152.36x = 390,924,224.46
  5. Step 5: Solve for x
    x = 390,924,224.46/25,152.36
  6. Step 6: Final answer
    x = 15,542.25

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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.