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Finding the Fourth Proportional to 71,355.60, 107,030.16 and 33,888.24

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Solution

The fourth proportional to 71,355.60, 107,030.16 and 33,888.24 is: 50,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,355.60 : 107,030.16 = 33,888.24 : x
  2. Step 2: Convert to fraction form
    71,355.60/107,030.16 = 33,888.24/x
  3. Step 3: Cross multiply
    71,355.60x = 107,030.16 × 33,888.24
  4. Step 4: Simplify right side
    71,355.60x = 3,627,063,749.32
  5. Step 5: Solve for x
    x = 3,627,063,749.32/71,355.60
  6. Step 6: Final answer
    x = 50,830.82

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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.