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Finding the Fourth Proportional to 9,345.98, 14,019.02 and 2,772.22

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Solution

The fourth proportional to 9,345.98, 14,019.02 and 2,772.22 is: 4,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.98 : 14,019.02 = 2,772.22 : x
  2. Step 2: Convert to fraction form
    9,345.98/14,019.02 = 2,772.22/x
  3. Step 3: Cross multiply
    9,345.98x = 14,019.02 × 2,772.22
  4. Step 4: Simplify right side
    9,345.98x = 38,863,807.62
  5. Step 5: Solve for x
    x = 38,863,807.62/9,345.98
  6. Step 6: Final answer
    x = 4,158.34

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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.