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Finding the Fourth Proportional to 56,219.42, 84,329.05 and 14,666.42

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Solution

The fourth proportional to 56,219.42, 84,329.05 and 14,666.42 is: 21,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.42 : 84,329.05 = 14,666.42 : x
  2. Step 2: Convert to fraction form
    56,219.42/84,329.05 = 14,666.42/x
  3. Step 3: Cross multiply
    56,219.42x = 84,329.05 × 14,666.42
  4. Step 4: Simplify right side
    56,219.42x = 1,236,804,992.81
  5. Step 5: Solve for x
    x = 1,236,804,992.81/56,219.42
  6. Step 6: Final answer
    x = 21,999.61

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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.