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Finding the Fourth Proportional to 52,587.81, 78,895.04 and 17,528.13

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Solution

The fourth proportional to 52,587.81, 78,895.04 and 17,528.13 is: 26,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,587.81 : 78,895.04 = 17,528.13 : x
  2. Step 2: Convert to fraction form
    52,587.81/78,895.04 = 17,528.13/x
  3. Step 3: Cross multiply
    52,587.81x = 78,895.04 × 17,528.13
  4. Step 4: Simplify right side
    52,587.81x = 1,382,882,429.83
  5. Step 5: Solve for x
    x = 1,382,882,429.83/52,587.81
  6. Step 6: Final answer
    x = 26,296.63

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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.