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Finding the Fourth Proportional to 67,124.48, 92,679.84 and 47,025.92

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Solution

The fourth proportional to 67,124.48, 92,679.84 and 47,025.92 is: 64,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.48 : 92,679.84 = 47,025.92 : x
  2. Step 2: Convert to fraction form
    67,124.48/92,679.84 = 47,025.92/x
  3. Step 3: Cross multiply
    67,124.48x = 92,679.84 × 47,025.92
  4. Step 4: Simplify right side
    67,124.48x = 4,358,354,741.45
  5. Step 5: Solve for x
    x = 4,358,354,741.45/67,124.48
  6. Step 6: Final answer
    x = 64,929.44

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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.