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Finding the Fourth Proportional to 35,644.95, 53,465.67 and 8,991.09

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Solution

The fourth proportional to 35,644.95, 53,465.67 and 8,991.09 is: 13,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.95 : 53,465.67 = 8,991.09 : x
  2. Step 2: Convert to fraction form
    35,644.95/53,465.67 = 8,991.09/x
  3. Step 3: Cross multiply
    35,644.95x = 53,465.67 × 8,991.09
  4. Step 4: Simplify right side
    35,644.95x = 480,714,650.88
  5. Step 5: Solve for x
    x = 480,714,650.88/35,644.95
  6. Step 6: Final answer
    x = 13,486.19

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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.