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Finding the Fourth Proportional to 59,489.92, 89,185.44 and 46,400.32

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Solution

The fourth proportional to 59,489.92, 89,185.44 and 46,400.32 is: 69,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,489.92 : 89,185.44 = 46,400.32 : x
  2. Step 2: Convert to fraction form
    59,489.92/89,185.44 = 46,400.32/x
  3. Step 3: Cross multiply
    59,489.92x = 89,185.44 × 46,400.32
  4. Step 4: Simplify right side
    59,489.92x = 4,138,232,955.34
  5. Step 5: Solve for x
    x = 4,138,232,955.34/59,489.92
  6. Step 6: Final answer
    x = 69,561.92

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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.