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Finding the Fourth Proportional to 4,621.05, 6,931.47 and 1,501.05

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Solution

The fourth proportional to 4,621.05, 6,931.47 and 1,501.05 is: 2,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.05 : 6,931.47 = 1,501.05 : x
  2. Step 2: Convert to fraction form
    4,621.05/6,931.47 = 1,501.05/x
  3. Step 3: Cross multiply
    4,621.05x = 6,931.47 × 1,501.05
  4. Step 4: Simplify right side
    4,621.05x = 10,404,483.04
  5. Step 5: Solve for x
    x = 10,404,483.04/4,621.05
  6. Step 6: Final answer
    x = 2,251.54

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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.