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Finding the Fourth Proportional to 30,608.65, 45,922.90 and 15,015.34

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Solution

The fourth proportional to 30,608.65, 45,922.90 and 15,015.34 is: 22,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.65 : 45,922.90 = 15,015.34 : x
  2. Step 2: Convert to fraction form
    30,608.65/45,922.90 = 15,015.34/x
  3. Step 3: Cross multiply
    30,608.65x = 45,922.90 × 15,015.34
  4. Step 4: Simplify right side
    30,608.65x = 689,547,767.40
  5. Step 5: Solve for x
    x = 689,547,767.40/30,608.65
  6. Step 6: Final answer
    x = 22,527.87

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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.