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Finding the Fourth Proportional to 28,527.14, 42,792.76 and 8,803.13

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Solution

The fourth proportional to 28,527.14, 42,792.76 and 8,803.13 is: 13,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.14 : 42,792.76 = 8,803.13 : x
  2. Step 2: Convert to fraction form
    28,527.14/42,792.76 = 8,803.13/x
  3. Step 3: Cross multiply
    28,527.14x = 42,792.76 × 8,803.13
  4. Step 4: Simplify right side
    28,527.14x = 376,710,217.57
  5. Step 5: Solve for x
    x = 376,710,217.57/28,527.14
  6. Step 6: Final answer
    x = 13,205.33

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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.