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Finding the Fourth Proportional to 25,515, 35,210.88 and 14,337

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Solution

The fourth proportional to 25,515, 35,210.88 and 14,337 is: 19,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515 : 35,210.88 = 14,337 : x
  2. Step 2: Convert to fraction form
    25,515/35,210.88 = 14,337/x
  3. Step 3: Cross multiply
    25,515x = 35,210.88 × 14,337
  4. Step 4: Simplify right side
    25,515x = 504,818,386.56
  5. Step 5: Solve for x
    x = 504,818,386.56/25,515
  6. Step 6: Final answer
    x = 19,785.16

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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.