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Finding the Fourth Proportional to 61,315.93, 84,616.28 and 35,823.75

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Solution

The fourth proportional to 61,315.93, 84,616.28 and 35,823.75 is: 49,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,315.93 : 84,616.28 = 35,823.75 : x
  2. Step 2: Convert to fraction form
    61,315.93/84,616.28 = 35,823.75/x
  3. Step 3: Cross multiply
    61,315.93x = 84,616.28 × 35,823.75
  4. Step 4: Simplify right side
    61,315.93x = 3,031,272,460.65
  5. Step 5: Solve for x
    x = 3,031,272,460.65/61,315.93
  6. Step 6: Final answer
    x = 49,436.95

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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.