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Finding the Fourth Proportional to 30,395.80, 45,609.50 and 22,998.08

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Solution

The fourth proportional to 30,395.80, 45,609.50 and 22,998.08 is: 34,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.80 : 45,609.50 = 22,998.08 : x
  2. Step 2: Convert to fraction form
    30,395.80/45,609.50 = 22,998.08/x
  3. Step 3: Cross multiply
    30,395.80x = 45,609.50 × 22,998.08
  4. Step 4: Simplify right side
    30,395.80x = 1,048,930,929.76
  5. Step 5: Solve for x
    x = 1,048,930,929.76/30,395.80
  6. Step 6: Final answer
    x = 34,509.07

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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.