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Finding the Fourth Proportional to 35,409.25, 53,113.88 and 10,785.25

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Solution

The fourth proportional to 35,409.25, 53,113.88 and 10,785.25 is: 16,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.25 : 53,113.88 = 10,785.25 : x
  2. Step 2: Convert to fraction form
    35,409.25/53,113.88 = 10,785.25/x
  3. Step 3: Cross multiply
    35,409.25x = 53,113.88 × 10,785.25
  4. Step 4: Simplify right side
    35,409.25x = 572,846,474.27
  5. Step 5: Solve for x
    x = 572,846,474.27/35,409.25
  6. Step 6: Final answer
    x = 16,177.88

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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.