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Finding the Fourth Proportional to 35,348.40, 53,021.40 and 9,053.40

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Solution

The fourth proportional to 35,348.40, 53,021.40 and 9,053.40 is: 13,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,348.40 : 53,021.40 = 9,053.40 : x
  2. Step 2: Convert to fraction form
    35,348.40/53,021.40 = 9,053.40/x
  3. Step 3: Cross multiply
    35,348.40x = 53,021.40 × 9,053.40
  4. Step 4: Simplify right side
    35,348.40x = 480,023,942.76
  5. Step 5: Solve for x
    x = 480,023,942.76/35,348.40
  6. Step 6: Final answer
    x = 13,579.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.