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Finding the Fourth Proportional to 7,802.63, 11,703.81 and 7,303.97

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Solution

The fourth proportional to 7,802.63, 11,703.81 and 7,303.97 is: 10,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.63 : 11,703.81 = 7,303.97 : x
  2. Step 2: Convert to fraction form
    7,802.63/11,703.81 = 7,303.97/x
  3. Step 3: Cross multiply
    7,802.63x = 11,703.81 × 7,303.97
  4. Step 4: Simplify right side
    7,802.63x = 85,484,218.61
  5. Step 5: Solve for x
    x = 85,484,218.61/7,802.63
  6. Step 6: Final answer
    x = 10,955.83

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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.