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Finding the Fourth Proportional to 35,508.78, 53,263.17 and 9,211.32

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Solution

The fourth proportional to 35,508.78, 53,263.17 and 9,211.32 is: 13,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.78 : 53,263.17 = 9,211.32 : x
  2. Step 2: Convert to fraction form
    35,508.78/53,263.17 = 9,211.32/x
  3. Step 3: Cross multiply
    35,508.78x = 53,263.17 × 9,211.32
  4. Step 4: Simplify right side
    35,508.78x = 490,624,103.08
  5. Step 5: Solve for x
    x = 490,624,103.08/35,508.78
  6. Step 6: Final answer
    x = 13,816.98

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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.