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Finding the Fourth Proportional to 72,353.84, 108,533.63 and 19,763.17

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Solution

The fourth proportional to 72,353.84, 108,533.63 and 19,763.17 is: 29,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,353.84 : 108,533.63 = 19,763.17 : x
  2. Step 2: Convert to fraction form
    72,353.84/108,533.63 = 19,763.17/x
  3. Step 3: Cross multiply
    72,353.84x = 108,533.63 × 19,763.17
  4. Step 4: Simplify right side
    72,353.84x = 2,144,968,358.48
  5. Step 5: Solve for x
    x = 2,144,968,358.48/72,353.84
  6. Step 6: Final answer
    x = 29,645.54

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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.