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Finding the Fourth Proportional to 14,064.76, 21,101.76 and 5,751.77

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Solution

The fourth proportional to 14,064.76, 21,101.76 and 5,751.77 is: 8,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.76 : 21,101.76 = 5,751.77 : x
  2. Step 2: Convert to fraction form
    14,064.76/21,101.76 = 5,751.77/x
  3. Step 3: Cross multiply
    14,064.76x = 21,101.76 × 5,751.77
  4. Step 4: Simplify right side
    14,064.76x = 121,372,484.49
  5. Step 5: Solve for x
    x = 121,372,484.49/14,064.76
  6. Step 6: Final answer
    x = 8,629.54

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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.