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Finding the Fourth Proportional to 56,616.94, 84,920.55 and 19,176.22

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Solution

The fourth proportional to 56,616.94, 84,920.55 and 19,176.22 is: 28,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.94 : 84,920.55 = 19,176.22 : x
  2. Step 2: Convert to fraction form
    56,616.94/84,920.55 = 19,176.22/x
  3. Step 3: Cross multiply
    56,616.94x = 84,920.55 × 19,176.22
  4. Step 4: Simplify right side
    56,616.94x = 1,628,455,149.32
  5. Step 5: Solve for x
    x = 1,628,455,149.32/56,616.94
  6. Step 6: Final answer
    x = 28,762.68

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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.