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Finding the Fourth Proportional to 35,366.60, 53,049.72 and 8,712.54

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Solution

The fourth proportional to 35,366.60, 53,049.72 and 8,712.54 is: 13,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,366.60 : 53,049.72 = 8,712.54 : x
  2. Step 2: Convert to fraction form
    35,366.60/53,049.72 = 8,712.54/x
  3. Step 3: Cross multiply
    35,366.60x = 53,049.72 × 8,712.54
  4. Step 4: Simplify right side
    35,366.60x = 462,197,678.71
  5. Step 5: Solve for x
    x = 462,197,678.71/35,366.60
  6. Step 6: Final answer
    x = 13,068.76

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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.