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Finding the Fourth Proportional to 52,588.48, 78,883.20 and 17,528

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Solution

The fourth proportional to 52,588.48, 78,883.20 and 17,528 is: 26,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,588.48 : 78,883.20 = 17,528 : x
  2. Step 2: Convert to fraction form
    52,588.48/78,883.20 = 17,528/x
  3. Step 3: Cross multiply
    52,588.48x = 78,883.20 × 17,528
  4. Step 4: Simplify right side
    52,588.48x = 1,382,664,729.60
  5. Step 5: Solve for x
    x = 1,382,664,729.60/52,588.48
  6. Step 6: Final answer
    x = 26,292.16

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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.