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Finding the Fourth Proportional to 32,605.02, 48,907.55 and 7,981.02

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Solution

The fourth proportional to 32,605.02, 48,907.55 and 7,981.02 is: 11,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,605.02 : 48,907.55 = 7,981.02 : x
  2. Step 2: Convert to fraction form
    32,605.02/48,907.55 = 7,981.02/x
  3. Step 3: Cross multiply
    32,605.02x = 48,907.55 × 7,981.02
  4. Step 4: Simplify right side
    32,605.02x = 390,332,134.70
  5. Step 5: Solve for x
    x = 390,332,134.70/32,605.02
  6. Step 6: Final answer
    x = 11,971.53

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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.