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Finding the Fourth Proportional to 10,007.52, 14,998.98 and 5,615.76

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Solution

The fourth proportional to 10,007.52, 14,998.98 and 5,615.76 is: 8,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.52 : 14,998.98 = 5,615.76 : x
  2. Step 2: Convert to fraction form
    10,007.52/14,998.98 = 5,615.76/x
  3. Step 3: Cross multiply
    10,007.52x = 14,998.98 × 5,615.76
  4. Step 4: Simplify right side
    10,007.52x = 84,230,671.92
  5. Step 5: Solve for x
    x = 84,230,671.92/10,007.52
  6. Step 6: Final answer
    x = 8,416.74

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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.