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Finding the Fourth Proportional to 62,445.60, 93,668.40 and 20,892.60

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Solution

The fourth proportional to 62,445.60, 93,668.40 and 20,892.60 is: 31,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,445.60 : 93,668.40 = 20,892.60 : x
  2. Step 2: Convert to fraction form
    62,445.60/93,668.40 = 20,892.60/x
  3. Step 3: Cross multiply
    62,445.60x = 93,668.40 × 20,892.60
  4. Step 4: Simplify right side
    62,445.60x = 1,956,976,413.84
  5. Step 5: Solve for x
    x = 1,956,976,413.84/62,445.60
  6. Step 6: Final answer
    x = 31,338.90

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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.