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Finding the Fourth Proportional to 25,287.60, 37,921.51 and 9,484.02

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Solution

The fourth proportional to 25,287.60, 37,921.51 and 9,484.02 is: 14,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.60 : 37,921.51 = 9,484.02 : x
  2. Step 2: Convert to fraction form
    25,287.60/37,921.51 = 9,484.02/x
  3. Step 3: Cross multiply
    25,287.60x = 37,921.51 × 9,484.02
  4. Step 4: Simplify right side
    25,287.60x = 359,648,359.27
  5. Step 5: Solve for x
    x = 359,648,359.27/25,287.60
  6. Step 6: Final answer
    x = 14,222.32

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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.