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Finding the Fourth Proportional to 64,966.94, 97,450.41 and 15,718.94

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Solution

The fourth proportional to 64,966.94, 97,450.41 and 15,718.94 is: 23,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.94 : 97,450.41 = 15,718.94 : x
  2. Step 2: Convert to fraction form
    64,966.94/97,450.41 = 15,718.94/x
  3. Step 3: Cross multiply
    64,966.94x = 97,450.41 × 15,718.94
  4. Step 4: Simplify right side
    64,966.94x = 1,531,816,904.14
  5. Step 5: Solve for x
    x = 1,531,816,904.14/64,966.94
  6. Step 6: Final answer
    x = 23,578.41

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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.