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Finding the Fourth Proportional to 8,597.81, 11,865.71 and 4,965.03

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Solution

The fourth proportional to 8,597.81, 11,865.71 and 4,965.03 is: 6,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.81 : 11,865.71 = 4,965.03 : x
  2. Step 2: Convert to fraction form
    8,597.81/11,865.71 = 4,965.03/x
  3. Step 3: Cross multiply
    8,597.81x = 11,865.71 × 4,965.03
  4. Step 4: Simplify right side
    8,597.81x = 58,913,606.12
  5. Step 5: Solve for x
    x = 58,913,606.12/8,597.81
  6. Step 6: Final answer
    x = 6,852.16

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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.