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Finding the Fourth Proportional to 6,664.60, 8,869.93 and 6,664.60

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Solution

The fourth proportional to 6,664.60, 8,869.93 and 6,664.60 is: 8,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.60 : 8,869.93 = 6,664.60 : x
  2. Step 2: Convert to fraction form
    6,664.60/8,869.93 = 6,664.60/x
  3. Step 3: Cross multiply
    6,664.60x = 8,869.93 × 6,664.60
  4. Step 4: Simplify right side
    6,664.60x = 59,114,535.48
  5. Step 5: Solve for x
    x = 59,114,535.48/6,664.60
  6. Step 6: Final answer
    x = 8,869.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.