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Finding the Fourth Proportional to 9,800.03, 14,700.09 and 4,868.51

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Solution

The fourth proportional to 9,800.03, 14,700.09 and 4,868.51 is: 7,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.03 : 14,700.09 = 4,868.51 : x
  2. Step 2: Convert to fraction form
    9,800.03/14,700.09 = 4,868.51/x
  3. Step 3: Cross multiply
    9,800.03x = 14,700.09 × 4,868.51
  4. Step 4: Simplify right side
    9,800.03x = 71,567,535.17
  5. Step 5: Solve for x
    x = 71,567,535.17/9,800.03
  6. Step 6: Final answer
    x = 7,302.79

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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.