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Finding the Fourth Proportional to 25,535.51, 35,238.98 and 14,357.51

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Solution

The fourth proportional to 25,535.51, 35,238.98 and 14,357.51 is: 19,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,535.51 : 35,238.98 = 14,357.51 : x
  2. Step 2: Convert to fraction form
    25,535.51/35,238.98 = 14,357.51/x
  3. Step 3: Cross multiply
    25,535.51x = 35,238.98 × 14,357.51
  4. Step 4: Simplify right side
    25,535.51x = 505,943,759.76
  5. Step 5: Solve for x
    x = 505,943,759.76/25,535.51
  6. Step 6: Final answer
    x = 19,813.34

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Double scale
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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.