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Finding the Fourth Proportional to 30,508.08, 45,767.58 and 10,798.08

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Solution

The fourth proportional to 30,508.08, 45,767.58 and 10,798.08 is: 16,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.08 : 45,767.58 = 10,798.08 : x
  2. Step 2: Convert to fraction form
    30,508.08/45,767.58 = 10,798.08/x
  3. Step 3: Cross multiply
    30,508.08x = 45,767.58 × 10,798.08
  4. Step 4: Simplify right side
    30,508.08x = 494,201,990.25
  5. Step 5: Solve for x
    x = 494,201,990.25/30,508.08
  6. Step 6: Final answer
    x = 16,199.05

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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.