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Finding the Fourth Proportional to 69,862.64, 96,385.44 and 46,898.12

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Solution

The fourth proportional to 69,862.64, 96,385.44 and 46,898.12 is: 64,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,862.64 : 96,385.44 = 46,898.12 : x
  2. Step 2: Convert to fraction form
    69,862.64/96,385.44 = 46,898.12/x
  3. Step 3: Cross multiply
    69,862.64x = 96,385.44 × 46,898.12
  4. Step 4: Simplify right side
    69,862.64x = 4,520,295,931.37
  5. Step 5: Solve for x
    x = 4,520,295,931.37/69,862.64
  6. Step 6: Final answer
    x = 64,702.62

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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.