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Finding the Fourth Proportional to 8,555.06, 11,806.00 and 4,829.06

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Solution

The fourth proportional to 8,555.06, 11,806.00 and 4,829.06 is: 6,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.06 : 11,806.00 = 4,829.06 : x
  2. Step 2: Convert to fraction form
    8,555.06/11,806.00 = 4,829.06/x
  3. Step 3: Cross multiply
    8,555.06x = 11,806.00 × 4,829.06
  4. Step 4: Simplify right side
    8,555.06x = 57,011,899.80
  5. Step 5: Solve for x
    x = 57,011,899.80/8,555.06
  6. Step 6: Final answer
    x = 6,664.11

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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.