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Finding the Fourth Proportional to 25,915.52, 35,722.32 and 19,532.72

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Solution

The fourth proportional to 25,915.52, 35,722.32 and 19,532.72 is: 26,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.52 : 35,722.32 = 19,532.72 : x
  2. Step 2: Convert to fraction form
    25,915.52/35,722.32 = 19,532.72/x
  3. Step 3: Cross multiply
    25,915.52x = 35,722.32 × 19,532.72
  4. Step 4: Simplify right side
    25,915.52x = 697,754,074.31
  5. Step 5: Solve for x
    x = 697,754,074.31/25,915.52
  6. Step 6: Final answer
    x = 26,924.18

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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.