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Finding the Fourth Proportional to 56,028, 84,043.62 and 14,475

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Solution

The fourth proportional to 56,028, 84,043.62 and 14,475 is: 21,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,028 : 84,043.62 = 14,475 : x
  2. Step 2: Convert to fraction form
    56,028/84,043.62 = 14,475/x
  3. Step 3: Cross multiply
    56,028x = 84,043.62 × 14,475
  4. Step 4: Simplify right side
    56,028x = 1,216,531,399.50
  5. Step 5: Solve for x
    x = 1,216,531,399.50/56,028
  6. Step 6: Final answer
    x = 21,712.92

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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.