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Finding the Fourth Proportional to 69,898.76, 96,464.32 and 52,640.22

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Solution

The fourth proportional to 69,898.76, 96,464.32 and 52,640.22 is: 72,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.76 : 96,464.32 = 52,640.22 : x
  2. Step 2: Convert to fraction form
    69,898.76/96,464.32 = 52,640.22/x
  3. Step 3: Cross multiply
    69,898.76x = 96,464.32 × 52,640.22
  4. Step 4: Simplify right side
    69,898.76x = 5,077,903,026.95
  5. Step 5: Solve for x
    x = 5,077,903,026.95/69,898.76
  6. Step 6: Final answer
    x = 72,646.54

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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.