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Finding the Fourth Proportional to 64,689.63, 89,258.22 and 37,826.92

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Solution

The fourth proportional to 64,689.63, 89,258.22 and 37,826.92 is: 52,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,689.63 : 89,258.22 = 37,826.92 : x
  2. Step 2: Convert to fraction form
    64,689.63/89,258.22 = 37,826.92/x
  3. Step 3: Cross multiply
    64,689.63x = 89,258.22 × 37,826.92
  4. Step 4: Simplify right side
    64,689.63x = 3,376,363,658.86
  5. Step 5: Solve for x
    x = 3,376,363,658.86/64,689.63
  6. Step 6: Final answer
    x = 52,193.28

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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.