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Finding the Fourth Proportional to 64,966.70, 97,450.03 and 15,718.70

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Solution

The fourth proportional to 64,966.70, 97,450.03 and 15,718.70 is: 23,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.70 : 97,450.03 = 15,718.70 : x
  2. Step 2: Convert to fraction form
    64,966.70/97,450.03 = 15,718.70/x
  3. Step 3: Cross multiply
    64,966.70x = 97,450.03 × 15,718.70
  4. Step 4: Simplify right side
    64,966.70x = 1,531,787,786.56
  5. Step 5: Solve for x
    x = 1,531,787,786.56/64,966.70
  6. Step 6: Final answer
    x = 23,578.05

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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.