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Finding the Fourth Proportional to 6,510.98, 9,765.70 and 1,831.34

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Solution

The fourth proportional to 6,510.98, 9,765.70 and 1,831.34 is: 2,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.98 : 9,765.70 = 1,831.34 : x
  2. Step 2: Convert to fraction form
    6,510.98/9,765.70 = 1,831.34/x
  3. Step 3: Cross multiply
    6,510.98x = 9,765.70 × 1,831.34
  4. Step 4: Simplify right side
    6,510.98x = 17,884,336.87
  5. Step 5: Solve for x
    x = 17,884,336.87/6,510.98
  6. Step 6: Final answer
    x = 2,746.80

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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.