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Finding the Fourth Proportional to 62,410.25, 93,615.38 and 20,857.25

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Solution

The fourth proportional to 62,410.25, 93,615.38 and 20,857.25 is: 31,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,410.25 : 93,615.38 = 20,857.25 : x
  2. Step 2: Convert to fraction form
    62,410.25/93,615.38 = 20,857.25/x
  3. Step 3: Cross multiply
    62,410.25x = 93,615.38 × 20,857.25
  4. Step 4: Simplify right side
    62,410.25x = 1,952,559,384.51
  5. Step 5: Solve for x
    x = 1,952,559,384.51/62,410.25
  6. Step 6: Final answer
    x = 31,285.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.