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Finding the Fourth Proportional to 62,444.76, 86,172.90 and 35,588.88

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Solution

The fourth proportional to 62,444.76, 86,172.90 and 35,588.88 is: 49,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,444.76 : 86,172.90 = 35,588.88 : x
  2. Step 2: Convert to fraction form
    62,444.76/86,172.90 = 35,588.88/x
  3. Step 3: Cross multiply
    62,444.76x = 86,172.90 × 35,588.88
  4. Step 4: Simplify right side
    62,444.76x = 3,066,796,997.35
  5. Step 5: Solve for x
    x = 3,066,796,997.35/62,444.76
  6. Step 6: Final answer
    x = 49,112.16

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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.