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Finding the Fourth Proportional to 7,009.54, 10,507.21 and 4,545.93

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Solution

The fourth proportional to 7,009.54, 10,507.21 and 4,545.93 is: 6,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.54 : 10,507.21 = 4,545.93 : x
  2. Step 2: Convert to fraction form
    7,009.54/10,507.21 = 4,545.93/x
  3. Step 3: Cross multiply
    7,009.54x = 10,507.21 × 4,545.93
  4. Step 4: Simplify right side
    7,009.54x = 47,765,041.16
  5. Step 5: Solve for x
    x = 47,765,041.16/7,009.54
  6. Step 6: Final answer
    x = 6,814.29

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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.