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Finding the Fourth Proportional to 28,304.93, 42,457.24 and 7,244.93

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Solution

The fourth proportional to 28,304.93, 42,457.24 and 7,244.93 is: 10,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.93 : 42,457.24 = 7,244.93 : x
  2. Step 2: Convert to fraction form
    28,304.93/42,457.24 = 7,244.93/x
  3. Step 3: Cross multiply
    28,304.93x = 42,457.24 × 7,244.93
  4. Step 4: Simplify right side
    28,304.93x = 307,599,731.79
  5. Step 5: Solve for x
    x = 307,599,731.79/28,304.93
  6. Step 6: Final answer
    x = 10,867.36

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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.