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Finding the Fourth Proportional to 69,894.60, 96,455.70 and 38,064.12

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Solution

The fourth proportional to 69,894.60, 96,455.70 and 38,064.12 is: 52,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.60 : 96,455.70 = 38,064.12 : x
  2. Step 2: Convert to fraction form
    69,894.60/96,455.70 = 38,064.12/x
  3. Step 3: Cross multiply
    69,894.60x = 96,455.70 × 38,064.12
  4. Step 4: Simplify right side
    69,894.60x = 3,671,501,339.48
  5. Step 5: Solve for x
    x = 3,671,501,339.48/69,894.60
  6. Step 6: Final answer
    x = 52,529.11

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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.