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Finding the Fourth Proportional to 35,550.60, 53,369.10 and 18,011.40

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Solution

The fourth proportional to 35,550.60, 53,369.10 and 18,011.40 is: 27,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,550.60 : 53,369.10 = 18,011.40 : x
  2. Step 2: Convert to fraction form
    35,550.60/53,369.10 = 18,011.40/x
  3. Step 3: Cross multiply
    35,550.60x = 53,369.10 × 18,011.40
  4. Step 4: Simplify right side
    35,550.60x = 961,252,207.74
  5. Step 5: Solve for x
    x = 961,252,207.74/35,550.60
  6. Step 6: Final answer
    x = 27,038.99

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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.