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Finding the Fourth Proportional to 14,029.16, 21,037.98 and 5,259.56

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Solution

The fourth proportional to 14,029.16, 21,037.98 and 5,259.56 is: 7,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.16 : 21,037.98 = 5,259.56 : x
  2. Step 2: Convert to fraction form
    14,029.16/21,037.98 = 5,259.56/x
  3. Step 3: Cross multiply
    14,029.16x = 21,037.98 × 5,259.56
  4. Step 4: Simplify right side
    14,029.16x = 110,650,518.09
  5. Step 5: Solve for x
    x = 110,650,518.09/14,029.16
  6. Step 6: Final answer
    x = 7,887.18

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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.