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Finding the Fourth Proportional to 79,035.84, 118,491.84 and 39,573.12

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Solution

The fourth proportional to 79,035.84, 118,491.84 and 39,573.12 is: 59,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.84 : 118,491.84 = 39,573.12 : x
  2. Step 2: Convert to fraction form
    79,035.84/118,491.84 = 39,573.12/x
  3. Step 3: Cross multiply
    79,035.84x = 118,491.84 × 39,573.12
  4. Step 4: Simplify right side
    79,035.84x = 4,689,091,803.34
  5. Step 5: Solve for x
    x = 4,689,091,803.34/79,035.84
  6. Step 6: Final answer
    x = 59,328.68

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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.