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Finding the Fourth Proportional to 28,050.48, 42,068.48 and 8,324.42

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Solution

The fourth proportional to 28,050.48, 42,068.48 and 8,324.42 is: 12,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.48 : 42,068.48 = 8,324.42 : x
  2. Step 2: Convert to fraction form
    28,050.48/42,068.48 = 8,324.42/x
  3. Step 3: Cross multiply
    28,050.48x = 42,068.48 × 8,324.42
  4. Step 4: Simplify right side
    28,050.48x = 350,195,444.32
  5. Step 5: Solve for x
    x = 350,195,444.32/28,050.48
  6. Step 6: Final answer
    x = 12,484.47

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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.