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Finding the Fourth Proportional to 7,666.92, 10,580.13 and 4,263.84

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Solution

The fourth proportional to 7,666.92, 10,580.13 and 4,263.84 is: 5,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.92 : 10,580.13 = 4,263.84 : x
  2. Step 2: Convert to fraction form
    7,666.92/10,580.13 = 4,263.84/x
  3. Step 3: Cross multiply
    7,666.92x = 10,580.13 × 4,263.84
  4. Step 4: Simplify right side
    7,666.92x = 45,111,981.50
  5. Step 5: Solve for x
    x = 45,111,981.50/7,666.92
  6. Step 6: Final answer
    x = 5,883.98

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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.