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Finding the Fourth Proportional to 7,009.63, 10,522.64 and 4,921.04

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Solution

The fourth proportional to 7,009.63, 10,522.64 and 4,921.04 is: 7,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.63 : 10,522.64 = 4,921.04 : x
  2. Step 2: Convert to fraction form
    7,009.63/10,522.64 = 4,921.04/x
  3. Step 3: Cross multiply
    7,009.63x = 10,522.64 × 4,921.04
  4. Step 4: Simplify right side
    7,009.63x = 51,782,370.95
  5. Step 5: Solve for x
    x = 51,782,370.95/7,009.63
  6. Step 6: Final answer
    x = 7,387.32

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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.