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Finding the Fourth Proportional to 9,363.12, 14,040.60 and 4,681.32

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Solution

The fourth proportional to 9,363.12, 14,040.60 and 4,681.32 is: 7,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.12 : 14,040.60 = 4,681.32 : x
  2. Step 2: Convert to fraction form
    9,363.12/14,040.60 = 4,681.32/x
  3. Step 3: Cross multiply
    9,363.12x = 14,040.60 × 4,681.32
  4. Step 4: Simplify right side
    9,363.12x = 65,728,541.59
  5. Step 5: Solve for x
    x = 65,728,541.59/9,363.12
  6. Step 6: Final answer
    x = 7,019.94

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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.