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Finding the Fourth Proportional to 62,602.85, 93,884.45 and 20,473.20

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Solution

The fourth proportional to 62,602.85, 93,884.45 and 20,473.20 is: 30,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,602.85 : 93,884.45 = 20,473.20 : x
  2. Step 2: Convert to fraction form
    62,602.85/93,884.45 = 20,473.20/x
  3. Step 3: Cross multiply
    62,602.85x = 93,884.45 × 20,473.20
  4. Step 4: Simplify right side
    62,602.85x = 1,922,115,172.92
  5. Step 5: Solve for x
    x = 1,922,115,172.92/62,602.85
  6. Step 6: Final answer
    x = 30,703.32

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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.