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Finding the Fourth Proportional to 56,431.44, 84,646.22 and 13,737.32

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Solution

The fourth proportional to 56,431.44, 84,646.22 and 13,737.32 is: 20,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,431.44 : 84,646.22 = 13,737.32 : x
  2. Step 2: Convert to fraction form
    56,431.44/84,646.22 = 13,737.32/x
  3. Step 3: Cross multiply
    56,431.44x = 84,646.22 × 13,737.32
  4. Step 4: Simplify right side
    56,431.44x = 1,162,812,210.93
  5. Step 5: Solve for x
    x = 1,162,812,210.93/56,431.44
  6. Step 6: Final answer
    x = 20,605.75

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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.