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Finding the Fourth Proportional to 9,923.69, 14,889.41 and 4,373.13

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Solution

The fourth proportional to 9,923.69, 14,889.41 and 4,373.13 is: 6,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.69 : 14,889.41 = 4,373.13 : x
  2. Step 2: Convert to fraction form
    9,923.69/14,889.41 = 4,373.13/x
  3. Step 3: Cross multiply
    9,923.69x = 14,889.41 × 4,373.13
  4. Step 4: Simplify right side
    9,923.69x = 65,113,325.55
  5. Step 5: Solve for x
    x = 65,113,325.55/9,923.69
  6. Step 6: Final answer
    x = 6,561.40

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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.