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Finding the Fourth Proportional to 56,582.64, 84,883.14 and 19,145.01

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Solution

The fourth proportional to 56,582.64, 84,883.14 and 19,145.01 is: 28,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.64 : 84,883.14 = 19,145.01 : x
  2. Step 2: Convert to fraction form
    56,582.64/84,883.14 = 19,145.01/x
  3. Step 3: Cross multiply
    56,582.64x = 84,883.14 × 19,145.01
  4. Step 4: Simplify right side
    56,582.64x = 1,625,088,564.13
  5. Step 5: Solve for x
    x = 1,625,088,564.13/56,582.64
  6. Step 6: Final answer
    x = 28,720.62

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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.