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Finding the Fourth Proportional to 35,444.70, 53,167.59 and 17,915.22

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Solution

The fourth proportional to 35,444.70, 53,167.59 and 17,915.22 is: 26,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.70 : 53,167.59 = 17,915.22 : x
  2. Step 2: Convert to fraction form
    35,444.70/53,167.59 = 17,915.22/x
  3. Step 3: Cross multiply
    35,444.70x = 53,167.59 × 17,915.22
  4. Step 4: Simplify right side
    35,444.70x = 952,509,071.72
  5. Step 5: Solve for x
    x = 952,509,071.72/35,444.70
  6. Step 6: Final answer
    x = 26,873.10

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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.