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Finding the Fourth Proportional to 62,225.70, 93,338.55 and 20,672.70

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Solution

The fourth proportional to 62,225.70, 93,338.55 and 20,672.70 is: 31,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,225.70 : 93,338.55 = 20,672.70 : x
  2. Step 2: Convert to fraction form
    62,225.70/93,338.55 = 20,672.70/x
  3. Step 3: Cross multiply
    62,225.70x = 93,338.55 × 20,672.70
  4. Step 4: Simplify right side
    62,225.70x = 1,929,559,842.59
  5. Step 5: Solve for x
    x = 1,929,559,842.59/62,225.70
  6. Step 6: Final answer
    x = 31,009.05

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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.