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Finding the Fourth Proportional to 9,333.90, 12,875.36 and 5,975.51

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Solution

The fourth proportional to 9,333.90, 12,875.36 and 5,975.51 is: 8,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.90 : 12,875.36 = 5,975.51 : x
  2. Step 2: Convert to fraction form
    9,333.90/12,875.36 = 5,975.51/x
  3. Step 3: Cross multiply
    9,333.90x = 12,875.36 × 5,975.51
  4. Step 4: Simplify right side
    9,333.90x = 76,936,748.18
  5. Step 5: Solve for x
    x = 76,936,748.18/9,333.90
  6. Step 6: Final answer
    x = 8,242.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.