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Finding the Fourth Proportional to 58,574, 87,688.68 and 36,315.92

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Solution

The fourth proportional to 58,574, 87,688.68 and 36,315.92 is: 54,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,574 : 87,688.68 = 36,315.92 : x
  2. Step 2: Convert to fraction form
    58,574/87,688.68 = 36,315.92/x
  3. Step 3: Cross multiply
    58,574x = 87,688.68 × 36,315.92
  4. Step 4: Simplify right side
    58,574x = 3,184,495,087.79
  5. Step 5: Solve for x
    x = 3,184,495,087.79/58,574
  6. Step 6: Final answer
    x = 54,367.04

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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.