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Finding the Fourth Proportional to 23,329.51, 35,008.78 and 9,478.51

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Solution

The fourth proportional to 23,329.51, 35,008.78 and 9,478.51 is: 14,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,329.51 : 35,008.78 = 9,478.51 : x
  2. Step 2: Convert to fraction form
    23,329.51/35,008.78 = 9,478.51/x
  3. Step 3: Cross multiply
    23,329.51x = 35,008.78 × 9,478.51
  4. Step 4: Simplify right side
    23,329.51x = 331,831,201.45
  5. Step 5: Solve for x
    x = 331,831,201.45/23,329.51
  6. Step 6: Final answer
    x = 14,223.67

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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.