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Finding the Fourth Proportional to 64,859.72, 89,510.52 and 36,567.23

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Solution

The fourth proportional to 64,859.72, 89,510.52 and 36,567.23 is: 50,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.72 : 89,510.52 = 36,567.23 : x
  2. Step 2: Convert to fraction form
    64,859.72/89,510.52 = 36,567.23/x
  3. Step 3: Cross multiply
    64,859.72x = 89,510.52 × 36,567.23
  4. Step 4: Simplify right side
    64,859.72x = 3,273,151,324.71
  5. Step 5: Solve for x
    x = 3,273,151,324.71/64,859.72
  6. Step 6: Final answer
    x = 50,465.09

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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.