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Finding the Fourth Proportional to 35,554.60, 49,065.04 and 19,640.16

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Solution

The fourth proportional to 35,554.60, 49,065.04 and 19,640.16 is: 27,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,554.60 : 49,065.04 = 19,640.16 : x
  2. Step 2: Convert to fraction form
    35,554.60/49,065.04 = 19,640.16/x
  3. Step 3: Cross multiply
    35,554.60x = 49,065.04 × 19,640.16
  4. Step 4: Simplify right side
    35,554.60x = 963,645,236.01
  5. Step 5: Solve for x
    x = 963,645,236.01/35,554.60
  6. Step 6: Final answer
    x = 27,103.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.