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Finding the Fourth Proportional to 19,031.08, 28,546.08 and 7,346.84

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Solution

The fourth proportional to 19,031.08, 28,546.08 and 7,346.84 is: 11,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.08 : 28,546.08 = 7,346.84 : x
  2. Step 2: Convert to fraction form
    19,031.08/28,546.08 = 7,346.84/x
  3. Step 3: Cross multiply
    19,031.08x = 28,546.08 × 7,346.84
  4. Step 4: Simplify right side
    19,031.08x = 209,723,482.39
  5. Step 5: Solve for x
    x = 209,723,482.39/19,031.08
  6. Step 6: Final answer
    x = 11,020.05

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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.