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Finding the Fourth Proportional to 62,700.63, 86,528.30 and 35,845.62

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Solution

The fourth proportional to 62,700.63, 86,528.30 and 35,845.62 is: 49,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,700.63 : 86,528.30 = 35,845.62 : x
  2. Step 2: Convert to fraction form
    62,700.63/86,528.30 = 35,845.62/x
  3. Step 3: Cross multiply
    62,700.63x = 86,528.30 × 35,845.62
  4. Step 4: Simplify right side
    62,700.63x = 3,101,660,381.82
  5. Step 5: Solve for x
    x = 3,101,660,381.82/62,700.63
  6. Step 6: Final answer
    x = 49,467.77

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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.