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Finding the Fourth Proportional to 62,783.62, 86,646.75 and 35,564.56

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Solution

The fourth proportional to 62,783.62, 86,646.75 and 35,564.56 is: 49,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,783.62 : 86,646.75 = 35,564.56 : x
  2. Step 2: Convert to fraction form
    62,783.62/86,646.75 = 35,564.56/x
  3. Step 3: Cross multiply
    62,783.62x = 86,646.75 × 35,564.56
  4. Step 4: Simplify right side
    62,783.62x = 3,081,553,539.18
  5. Step 5: Solve for x
    x = 3,081,553,539.18/62,783.62
  6. Step 6: Final answer
    x = 49,082.13

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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.