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Finding the Fourth Proportional to 7,085.04, 10,632.64 and 4,749.50

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Solution

The fourth proportional to 7,085.04, 10,632.64 and 4,749.50 is: 7,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.04 : 10,632.64 = 4,749.50 : x
  2. Step 2: Convert to fraction form
    7,085.04/10,632.64 = 4,749.50/x
  3. Step 3: Cross multiply
    7,085.04x = 10,632.64 × 4,749.50
  4. Step 4: Simplify right side
    7,085.04x = 50,499,723.68
  5. Step 5: Solve for x
    x = 50,499,723.68/7,085.04
  6. Step 6: Final answer
    x = 7,127.66

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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.