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Finding the Fourth Proportional to 35,653.59, 49,202.54 and 19,520.63

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Solution

The fourth proportional to 35,653.59, 49,202.54 and 19,520.63 is: 26,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.59 : 49,202.54 = 19,520.63 : x
  2. Step 2: Convert to fraction form
    35,653.59/49,202.54 = 19,520.63/x
  3. Step 3: Cross multiply
    35,653.59x = 49,202.54 × 19,520.63
  4. Step 4: Simplify right side
    35,653.59x = 960,464,578.40
  5. Step 5: Solve for x
    x = 960,464,578.40/35,653.59
  6. Step 6: Final answer
    x = 26,938.79

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Half scale
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Double scale
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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.