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Finding the Fourth Proportional to 64,707.76, 97,061.07 and 17,960.63

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Solution

The fourth proportional to 64,707.76, 97,061.07 and 17,960.63 is: 26,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.76 : 97,061.07 = 17,960.63 : x
  2. Step 2: Convert to fraction form
    64,707.76/97,061.07 = 17,960.63/x
  3. Step 3: Cross multiply
    64,707.76x = 97,061.07 × 17,960.63
  4. Step 4: Simplify right side
    64,707.76x = 1,743,277,965.67
  5. Step 5: Solve for x
    x = 1,743,277,965.67/64,707.76
  6. Step 6: Final answer
    x = 26,940.79

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Double scale
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Similar ratio
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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.