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Finding the Fourth Proportional to 69,992.32, 105,014.64 and 41,932.16

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Solution

The fourth proportional to 69,992.32, 105,014.64 and 41,932.16 is: 62,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.32 : 105,014.64 = 41,932.16 : x
  2. Step 2: Convert to fraction form
    69,992.32/105,014.64 = 41,932.16/x
  3. Step 3: Cross multiply
    69,992.32x = 105,014.64 × 41,932.16
  4. Step 4: Simplify right side
    69,992.32x = 4,403,490,686.82
  5. Step 5: Solve for x
    x = 4,403,490,686.82/69,992.32
  6. Step 6: Final answer
    x = 62,913.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.