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Finding the Fourth Proportional to 62,262.95, 85,929.49 and 38,078.06

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Solution

The fourth proportional to 62,262.95, 85,929.49 and 38,078.06 is: 52,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,262.95 : 85,929.49 = 38,078.06 : x
  2. Step 2: Convert to fraction form
    62,262.95/85,929.49 = 38,078.06/x
  3. Step 3: Cross multiply
    62,262.95x = 85,929.49 × 38,078.06
  4. Step 4: Simplify right side
    62,262.95x = 3,272,028,156.23
  5. Step 5: Solve for x
    x = 3,272,028,156.23/62,262.95
  6. Step 6: Final answer
    x = 52,551.77

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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.