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Finding the Fourth Proportional to 35,608.32, 53,395.65 and 10,639.65

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Solution

The fourth proportional to 35,608.32, 53,395.65 and 10,639.65 is: 15,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.32 : 53,395.65 = 10,639.65 : x
  2. Step 2: Convert to fraction form
    35,608.32/53,395.65 = 10,639.65/x
  3. Step 3: Cross multiply
    35,608.32x = 53,395.65 × 10,639.65
  4. Step 4: Simplify right side
    35,608.32x = 568,111,027.52
  5. Step 5: Solve for x
    x = 568,111,027.52/35,608.32
  6. Step 6: Final answer
    x = 15,954.45

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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.