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Finding the Fourth Proportional to 8,485.02, 11,708.93 and 4,708.14

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Solution

The fourth proportional to 8,485.02, 11,708.93 and 4,708.14 is: 6,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.02 : 11,708.93 = 4,708.14 : x
  2. Step 2: Convert to fraction form
    8,485.02/11,708.93 = 4,708.14/x
  3. Step 3: Cross multiply
    8,485.02x = 11,708.93 × 4,708.14
  4. Step 4: Simplify right side
    8,485.02x = 55,127,281.69
  5. Step 5: Solve for x
    x = 55,127,281.69/8,485.02
  6. Step 6: Final answer
    x = 6,497.01

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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.