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Finding the Fourth Proportional to 58,990.28, 88,411.55 and 46,460.81

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Solution

The fourth proportional to 58,990.28, 88,411.55 and 46,460.81 is: 69,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,990.28 : 88,411.55 = 46,460.81 : x
  2. Step 2: Convert to fraction form
    58,990.28/88,411.55 = 46,460.81/x
  3. Step 3: Cross multiply
    58,990.28x = 88,411.55 × 46,460.81
  4. Step 4: Simplify right side
    58,990.28x = 4,107,672,215.08
  5. Step 5: Solve for x
    x = 4,107,672,215.08/58,990.28
  6. Step 6: Final answer
    x = 69,633.04

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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.