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Finding the Fourth Proportional to 9,333.96, 13,989.80 and 6,507.51

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Solution

The fourth proportional to 9,333.96, 13,989.80 and 6,507.51 is: 9,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.96 : 13,989.80 = 6,507.51 : x
  2. Step 2: Convert to fraction form
    9,333.96/13,989.80 = 6,507.51/x
  3. Step 3: Cross multiply
    9,333.96x = 13,989.80 × 6,507.51
  4. Step 4: Simplify right side
    9,333.96x = 91,038,709.72
  5. Step 5: Solve for x
    x = 91,038,709.72/9,333.96
  6. Step 6: Final answer
    x = 9,753.50

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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.