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Finding the Fourth Proportional to 35,617, 53,425.52 and 13,435.36

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Solution

The fourth proportional to 35,617, 53,425.52 and 13,435.36 is: 20,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617 : 53,425.52 = 13,435.36 : x
  2. Step 2: Convert to fraction form
    35,617/53,425.52 = 13,435.36/x
  3. Step 3: Cross multiply
    35,617x = 53,425.52 × 13,435.36
  4. Step 4: Simplify right side
    35,617x = 717,791,094.39
  5. Step 5: Solve for x
    x = 717,791,094.39/35,617
  6. Step 6: Final answer
    x = 20,153.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.