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Finding the Fourth Proportional to 12,333.56, 18,503.08 and 5,756.16

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Solution

The fourth proportional to 12,333.56, 18,503.08 and 5,756.16 is: 8,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.56 : 18,503.08 = 5,756.16 : x
  2. Step 2: Convert to fraction form
    12,333.56/18,503.08 = 5,756.16/x
  3. Step 3: Cross multiply
    12,333.56x = 18,503.08 × 5,756.16
  4. Step 4: Simplify right side
    12,333.56x = 106,506,660.19
  5. Step 5: Solve for x
    x = 106,506,660.19/12,333.56
  6. Step 6: Final answer
    x = 8,635.52

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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.