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Finding the Fourth Proportional to 35,491.40, 53,237.10 and 10,535.30

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Solution

The fourth proportional to 35,491.40, 53,237.10 and 10,535.30 is: 15,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.40 : 53,237.10 = 10,535.30 : x
  2. Step 2: Convert to fraction form
    35,491.40/53,237.10 = 10,535.30/x
  3. Step 3: Cross multiply
    35,491.40x = 53,237.10 × 10,535.30
  4. Step 4: Simplify right side
    35,491.40x = 560,868,819.63
  5. Step 5: Solve for x
    x = 560,868,819.63/35,491.40
  6. Step 6: Final answer
    x = 15,802.95

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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.