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Finding the Fourth Proportional to 69,950.76, 96,529.24 and 38,118.98

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Solution

The fourth proportional to 69,950.76, 96,529.24 and 38,118.98 is: 52,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,950.76 : 96,529.24 = 38,118.98 : x
  2. Step 2: Convert to fraction form
    69,950.76/96,529.24 = 38,118.98/x
  3. Step 3: Cross multiply
    69,950.76x = 96,529.24 × 38,118.98
  4. Step 4: Simplify right side
    69,950.76x = 3,679,596,168.98
  5. Step 5: Solve for x
    x = 3,679,596,168.98/69,950.76
  6. Step 6: Final answer
    x = 52,602.66

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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.