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Finding the Fourth Proportional to 25,879.56, 35,709.43 and 14,547.56

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Solution

The fourth proportional to 25,879.56, 35,709.43 and 14,547.56 is: 20,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.56 : 35,709.43 = 14,547.56 : x
  2. Step 2: Convert to fraction form
    25,879.56/35,709.43 = 14,547.56/x
  3. Step 3: Cross multiply
    25,879.56x = 35,709.43 × 14,547.56
  4. Step 4: Simplify right side
    25,879.56x = 519,485,075.49
  5. Step 5: Solve for x
    x = 519,485,075.49/25,879.56
  6. Step 6: Final answer
    x = 20,073.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.