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Finding the Fourth Proportional to 56,527.59, 84,790.51 and 19,113.94

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Solution

The fourth proportional to 56,527.59, 84,790.51 and 19,113.94 is: 28,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.59 : 84,790.51 = 19,113.94 : x
  2. Step 2: Convert to fraction form
    56,527.59/84,790.51 = 19,113.94/x
  3. Step 3: Cross multiply
    56,527.59x = 84,790.51 × 19,113.94
  4. Step 4: Simplify right side
    56,527.59x = 1,620,680,720.71
  5. Step 5: Solve for x
    x = 1,620,680,720.71/56,527.59
  6. Step 6: Final answer
    x = 28,670.61

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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.