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Finding the Fourth Proportional to 58,322.53, 87,589.19 and 53,633.89

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Solution

The fourth proportional to 58,322.53, 87,589.19 and 53,633.89 is: 80,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,322.53 : 87,589.19 = 53,633.89 : x
  2. Step 2: Convert to fraction form
    58,322.53/87,589.19 = 53,633.89/x
  3. Step 3: Cross multiply
    58,322.53x = 87,589.19 × 53,633.89
  4. Step 4: Simplify right side
    58,322.53x = 4,697,748,981.65
  5. Step 5: Solve for x
    x = 4,697,748,981.65/58,322.53
  6. Step 6: Final answer
    x = 80,547.76

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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.