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Finding the Fourth Proportional to 25,003.44, 37,510.20 and 9,421.20

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Solution

The fourth proportional to 25,003.44, 37,510.20 and 9,421.20 is: 14,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.44 : 37,510.20 = 9,421.20 : x
  2. Step 2: Convert to fraction form
    25,003.44/37,510.20 = 9,421.20/x
  3. Step 3: Cross multiply
    25,003.44x = 37,510.20 × 9,421.20
  4. Step 4: Simplify right side
    25,003.44x = 353,391,096.24
  5. Step 5: Solve for x
    x = 353,391,096.24/25,003.44
  6. Step 6: Final answer
    x = 14,133.70

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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.