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Finding the Fourth Proportional to 46,864.88, 70,289.88 and 21,922.24

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Solution

The fourth proportional to 46,864.88, 70,289.88 and 21,922.24 is: 32,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,864.88 : 70,289.88 = 21,922.24 : x
  2. Step 2: Convert to fraction form
    46,864.88/70,289.88 = 21,922.24/x
  3. Step 3: Cross multiply
    46,864.88x = 70,289.88 × 21,922.24
  4. Step 4: Simplify right side
    46,864.88x = 1,540,911,618.93
  5. Step 5: Solve for x
    x = 1,540,911,618.93/46,864.88
  6. Step 6: Final answer
    x = 32,879.88

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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.