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Finding the Fourth Proportional to 10,201.04, 15,290.04 and 4,648.40

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Solution

The fourth proportional to 10,201.04, 15,290.04 and 4,648.40 is: 6,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.04 : 15,290.04 = 4,648.40 : x
  2. Step 2: Convert to fraction form
    10,201.04/15,290.04 = 4,648.40/x
  3. Step 3: Cross multiply
    10,201.04x = 15,290.04 × 4,648.40
  4. Step 4: Simplify right side
    10,201.04x = 71,074,221.94
  5. Step 5: Solve for x
    x = 71,074,221.94/10,201.04
  6. Step 6: Final answer
    x = 6,967.35

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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.