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Finding the Fourth Proportional to 9,369.80, 14,054.70 and 6,259.40

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Solution

The fourth proportional to 9,369.80, 14,054.70 and 6,259.40 is: 9,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.80 : 14,054.70 = 6,259.40 : x
  2. Step 2: Convert to fraction form
    9,369.80/14,054.70 = 6,259.40/x
  3. Step 3: Cross multiply
    9,369.80x = 14,054.70 × 6,259.40
  4. Step 4: Simplify right side
    9,369.80x = 87,973,989.18
  5. Step 5: Solve for x
    x = 87,973,989.18/9,369.80
  6. Step 6: Final answer
    x = 9,389.10

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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.