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Finding the Fourth Proportional to 6,632.16, 9,948.40 and 3,703.20

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Solution

The fourth proportional to 6,632.16, 9,948.40 and 3,703.20 is: 5,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.16 : 9,948.40 = 3,703.20 : x
  2. Step 2: Convert to fraction form
    6,632.16/9,948.40 = 3,703.20/x
  3. Step 3: Cross multiply
    6,632.16x = 9,948.40 × 3,703.20
  4. Step 4: Simplify right side
    6,632.16x = 36,840,914.88
  5. Step 5: Solve for x
    x = 36,840,914.88/6,632.16
  6. Step 6: Final answer
    x = 5,554.89

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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.