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Finding the Fourth Proportional to 9,855.10, 13,595.33 and 6,669.51

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Solution

The fourth proportional to 9,855.10, 13,595.33 and 6,669.51 is: 9,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.10 : 13,595.33 = 6,669.51 : x
  2. Step 2: Convert to fraction form
    9,855.10/13,595.33 = 6,669.51/x
  3. Step 3: Cross multiply
    9,855.10x = 13,595.33 × 6,669.51
  4. Step 4: Simplify right side
    9,855.10x = 90,674,156.04
  5. Step 5: Solve for x
    x = 90,674,156.04/9,855.10
  6. Step 6: Final answer
    x = 9,200.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.