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Finding the Fourth Proportional to 9,412.05, 14,108.88 and 5,254.05

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Solution

The fourth proportional to 9,412.05, 14,108.88 and 5,254.05 is: 7,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.05 : 14,108.88 = 5,254.05 : x
  2. Step 2: Convert to fraction form
    9,412.05/14,108.88 = 5,254.05/x
  3. Step 3: Cross multiply
    9,412.05x = 14,108.88 × 5,254.05
  4. Step 4: Simplify right side
    9,412.05x = 74,128,760.96
  5. Step 5: Solve for x
    x = 74,128,760.96/9,412.05
  6. Step 6: Final answer
    x = 7,875.94

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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.