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Finding the Fourth Proportional to 70,521.94, 105,800.41 and 34,999.93

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Solution

The fourth proportional to 70,521.94, 105,800.41 and 34,999.93 is: 52,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,521.94 : 105,800.41 = 34,999.93 : x
  2. Step 2: Convert to fraction form
    70,521.94/105,800.41 = 34,999.93/x
  3. Step 3: Cross multiply
    70,521.94x = 105,800.41 × 34,999.93
  4. Step 4: Simplify right side
    70,521.94x = 3,703,006,943.97
  5. Step 5: Solve for x
    x = 3,703,006,943.97/70,521.94
  6. Step 6: Final answer
    x = 52,508.58

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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.