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Finding the Fourth Proportional to 64,705.76, 97,058.07 and 17,958.63

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Solution

The fourth proportional to 64,705.76, 97,058.07 and 17,958.63 is: 26,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,705.76 : 97,058.07 = 17,958.63 : x
  2. Step 2: Convert to fraction form
    64,705.76/97,058.07 = 17,958.63/x
  3. Step 3: Cross multiply
    64,705.76x = 97,058.07 × 17,958.63
  4. Step 4: Simplify right side
    64,705.76x = 1,743,029,967.64
  5. Step 5: Solve for x
    x = 1,743,029,967.64/64,705.76
  6. Step 6: Final answer
    x = 26,937.79

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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.