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Finding the Fourth Proportional to 64,741.50, 97,112.28 and 17,994.78

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Solution

The fourth proportional to 64,741.50, 97,112.28 and 17,994.78 is: 26,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.50 : 97,112.28 = 17,994.78 : x
  2. Step 2: Convert to fraction form
    64,741.50/97,112.28 = 17,994.78/x
  3. Step 3: Cross multiply
    64,741.50x = 97,112.28 × 17,994.78
  4. Step 4: Simplify right side
    64,741.50x = 1,747,514,113.90
  5. Step 5: Solve for x
    x = 1,747,514,113.90/64,741.50
  6. Step 6: Final answer
    x = 26,992.18

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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.