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Finding the Fourth Proportional to 9,041.10, 13,545.71 and 7,917.98

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Solution

The fourth proportional to 9,041.10, 13,545.71 and 7,917.98 is: 11,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.10 : 13,545.71 = 7,917.98 : x
  2. Step 2: Convert to fraction form
    9,041.10/13,545.71 = 7,917.98/x
  3. Step 3: Cross multiply
    9,041.10x = 13,545.71 × 7,917.98
  4. Step 4: Simplify right side
    9,041.10x = 107,254,655.14
  5. Step 5: Solve for x
    x = 107,254,655.14/9,041.10
  6. Step 6: Final answer
    x = 11,863.01

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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.