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Finding the Fourth Proportional to 9,575.82, 13,210.29 and 6,919.02

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Solution

The fourth proportional to 9,575.82, 13,210.29 and 6,919.02 is: 9,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,575.82 : 13,210.29 = 6,919.02 : x
  2. Step 2: Convert to fraction form
    9,575.82/13,210.29 = 6,919.02/x
  3. Step 3: Cross multiply
    9,575.82x = 13,210.29 × 6,919.02
  4. Step 4: Simplify right side
    9,575.82x = 91,402,260.72
  5. Step 5: Solve for x
    x = 91,402,260.72/9,575.82
  6. Step 6: Final answer
    x = 9,545.11

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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.