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Finding the Fourth Proportional to 67,295.42, 92,875.83 and 39,002.30

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Solution

The fourth proportional to 67,295.42, 92,875.83 and 39,002.30 is: 53,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.42 : 92,875.83 = 39,002.30 : x
  2. Step 2: Convert to fraction form
    67,295.42/92,875.83 = 39,002.30/x
  3. Step 3: Cross multiply
    67,295.42x = 92,875.83 × 39,002.30
  4. Step 4: Simplify right side
    67,295.42x = 3,622,370,984.41
  5. Step 5: Solve for x
    x = 3,622,370,984.41/67,295.42
  6. Step 6: Final answer
    x = 53,827.90

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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.