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Finding the Fourth Proportional to 67,649.58, 93,393.96 and 40,798.92

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Solution

The fourth proportional to 67,649.58, 93,393.96 and 40,798.92 is: 56,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649.58 : 93,393.96 = 40,798.92 : x
  2. Step 2: Convert to fraction form
    67,649.58/93,393.96 = 40,798.92/x
  3. Step 3: Cross multiply
    67,649.58x = 93,393.96 × 40,798.92
  4. Step 4: Simplify right side
    67,649.58x = 3,810,372,702.52
  5. Step 5: Solve for x
    x = 3,810,372,702.52/67,649.58
  6. Step 6: Final answer
    x = 56,325.15

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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.