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Finding the Fourth Proportional to 26,007.40, 39,011.10 and 9,375.40

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Solution

The fourth proportional to 26,007.40, 39,011.10 and 9,375.40 is: 14,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.40 : 39,011.10 = 9,375.40 : x
  2. Step 2: Convert to fraction form
    26,007.40/39,011.10 = 9,375.40/x
  3. Step 3: Cross multiply
    26,007.40x = 39,011.10 × 9,375.40
  4. Step 4: Simplify right side
    26,007.40x = 365,744,666.94
  5. Step 5: Solve for x
    x = 365,744,666.94/26,007.40
  6. Step 6: Final answer
    x = 14,063.10

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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.