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Finding the Fourth Proportional to 56,395.96, 84,593.94 and 18,953.08

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Solution

The fourth proportional to 56,395.96, 84,593.94 and 18,953.08 is: 28,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,395.96 : 84,593.94 = 18,953.08 : x
  2. Step 2: Convert to fraction form
    56,395.96/84,593.94 = 18,953.08/x
  3. Step 3: Cross multiply
    56,395.96x = 84,593.94 × 18,953.08
  4. Step 4: Simplify right side
    56,395.96x = 1,603,315,712.34
  5. Step 5: Solve for x
    x = 1,603,315,712.34/56,395.96
  6. Step 6: Final answer
    x = 28,429.62

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1.5x scale

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.