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Finding the Fourth Proportional to 64,458.79, 96,689.43 and 22,340.24

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Solution

The fourth proportional to 64,458.79, 96,689.43 and 22,340.24 is: 33,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.79 : 96,689.43 = 22,340.24 : x
  2. Step 2: Convert to fraction form
    64,458.79/96,689.43 = 22,340.24/x
  3. Step 3: Cross multiply
    64,458.79x = 96,689.43 × 22,340.24
  4. Step 4: Simplify right side
    64,458.79x = 2,160,064,950.80
  5. Step 5: Solve for x
    x = 2,160,064,950.80/64,458.79
  6. Step 6: Final answer
    x = 33,510.79

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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.