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Finding the Fourth Proportional to 8,606.93, 11,877.25 and 4,830.25

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Solution

The fourth proportional to 8,606.93, 11,877.25 and 4,830.25 is: 6,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.93 : 11,877.25 = 4,830.25 : x
  2. Step 2: Convert to fraction form
    8,606.93/11,877.25 = 4,830.25/x
  3. Step 3: Cross multiply
    8,606.93x = 11,877.25 × 4,830.25
  4. Step 4: Simplify right side
    8,606.93x = 57,370,086.81
  5. Step 5: Solve for x
    x = 57,370,086.81/8,606.93
  6. Step 6: Final answer
    x = 6,665.57

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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.