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Finding the Fourth Proportional to 62,495.76, 86,219.44 and 38,580.88

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Solution

The fourth proportional to 62,495.76, 86,219.44 and 38,580.88 is: 53,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,495.76 : 86,219.44 = 38,580.88 : x
  2. Step 2: Convert to fraction form
    62,495.76/86,219.44 = 38,580.88/x
  3. Step 3: Cross multiply
    62,495.76x = 86,219.44 × 38,580.88
  4. Step 4: Simplify right side
    62,495.76x = 3,326,421,868.31
  5. Step 5: Solve for x
    x = 3,326,421,868.31/62,495.76
  6. Step 6: Final answer
    x = 53,226.36

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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.