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Finding the Fourth Proportional to 25,775.19, 35,562.51 and 15,703.92

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Solution

The fourth proportional to 25,775.19, 35,562.51 and 15,703.92 is: 21,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.19 : 35,562.51 = 15,703.92 : x
  2. Step 2: Convert to fraction form
    25,775.19/35,562.51 = 15,703.92/x
  3. Step 3: Cross multiply
    25,775.19x = 35,562.51 × 15,703.92
  4. Step 4: Simplify right side
    25,775.19x = 558,470,812.04
  5. Step 5: Solve for x
    x = 558,470,812.04/25,775.19
  6. Step 6: Final answer
    x = 21,666.99

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