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Finding the Fourth Proportional to 64,570.50, 89,106.96 and 35,890.02

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Solution

The fourth proportional to 64,570.50, 89,106.96 and 35,890.02 is: 49,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,570.50 : 89,106.96 = 35,890.02 : x
  2. Step 2: Convert to fraction form
    64,570.50/89,106.96 = 35,890.02/x
  3. Step 3: Cross multiply
    64,570.50x = 89,106.96 × 35,890.02
  4. Step 4: Simplify right side
    64,570.50x = 3,198,050,576.54
  5. Step 5: Solve for x
    x = 3,198,050,576.54/64,570.50
  6. Step 6: Final answer
    x = 49,528.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.