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Finding the Fourth Proportional to 30,123.54, 44,915.99 and 29,295.92

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Solution

The fourth proportional to 30,123.54, 44,915.99 and 29,295.92 is: 43,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.54 : 44,915.99 = 29,295.92 : x
  2. Step 2: Convert to fraction form
    30,123.54/44,915.99 = 29,295.92/x
  3. Step 3: Cross multiply
    30,123.54x = 44,915.99 × 29,295.92
  4. Step 4: Simplify right side
    30,123.54x = 1,315,854,988.56
  5. Step 5: Solve for x
    x = 1,315,854,988.56/30,123.54
  6. Step 6: Final answer
    x = 43,681.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.