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Finding the Fourth Proportional to 67,653.95, 93,362.13 and 38,963.13

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Solution

The fourth proportional to 67,653.95, 93,362.13 and 38,963.13 is: 53,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,653.95 : 93,362.13 = 38,963.13 : x
  2. Step 2: Convert to fraction form
    67,653.95/93,362.13 = 38,963.13/x
  3. Step 3: Cross multiply
    67,653.95x = 93,362.13 × 38,963.13
  4. Step 4: Simplify right side
    67,653.95x = 3,637,680,808.27
  5. Step 5: Solve for x
    x = 3,637,680,808.27/67,653.95
  6. Step 6: Final answer
    x = 53,768.94

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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.