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Finding the Fourth Proportional to 67,083.95, 92,478.30 and 46,878.12

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Solution

The fourth proportional to 67,083.95, 92,478.30 and 46,878.12 is: 64,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.95 : 92,478.30 = 46,878.12 : x
  2. Step 2: Convert to fraction form
    67,083.95/92,478.30 = 46,878.12/x
  3. Step 3: Cross multiply
    67,083.95x = 92,478.30 × 46,878.12
  4. Step 4: Simplify right side
    67,083.95x = 4,335,208,148.01
  5. Step 5: Solve for x
    x = 4,335,208,148.01/67,083.95
  6. Step 6: Final answer
    x = 64,623.63

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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.