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Finding the Fourth Proportional to 64,725.35, 97,093.28 and 17,978.22

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Solution

The fourth proportional to 64,725.35, 97,093.28 and 17,978.22 is: 26,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.35 : 97,093.28 = 17,978.22 : x
  2. Step 2: Convert to fraction form
    64,725.35/97,093.28 = 17,978.22/x
  3. Step 3: Cross multiply
    64,725.35x = 97,093.28 × 17,978.22
  4. Step 4: Simplify right side
    64,725.35x = 1,745,564,393.31
  5. Step 5: Solve for x
    x = 1,745,564,393.31/64,725.35
  6. Step 6: Final answer
    x = 26,968.79

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1.5x scale

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.