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Finding the Fourth Proportional to 8,945.37, 13,429.53 and 8,852.22

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Solution

The fourth proportional to 8,945.37, 13,429.53 and 8,852.22 is: 13,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.37 : 13,429.53 = 8,852.22 : x
  2. Step 2: Convert to fraction form
    8,945.37/13,429.53 = 8,852.22/x
  3. Step 3: Cross multiply
    8,945.37x = 13,429.53 × 8,852.22
  4. Step 4: Simplify right side
    8,945.37x = 118,881,154.06
  5. Step 5: Solve for x
    x = 118,881,154.06/8,945.37
  6. Step 6: Final answer
    x = 13,289.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.