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Finding the Fourth Proportional to 47,838.99, 72,207.82 and 47,838.99

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Solution

The fourth proportional to 47,838.99, 72,207.82 and 47,838.99 is: 72,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.99 : 72,207.82 = 47,838.99 : x
  2. Step 2: Convert to fraction form
    47,838.99/72,207.82 = 47,838.99/x
  3. Step 3: Cross multiply
    47,838.99x = 72,207.82 × 47,838.99
  4. Step 4: Simplify right side
    47,838.99x = 3,454,349,059.30
  5. Step 5: Solve for x
    x = 3,454,349,059.30/47,838.99
  6. Step 6: Final answer
    x = 72,207.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.