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Finding the Fourth Proportional to 60,892.04, 91,346.76 and 18,775.68

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Solution

The fourth proportional to 60,892.04, 91,346.76 and 18,775.68 is: 28,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,892.04 : 91,346.76 = 18,775.68 : x
  2. Step 2: Convert to fraction form
    60,892.04/91,346.76 = 18,775.68/x
  3. Step 3: Cross multiply
    60,892.04x = 91,346.76 × 18,775.68
  4. Step 4: Simplify right side
    60,892.04x = 1,715,097,534.80
  5. Step 5: Solve for x
    x = 1,715,097,534.80/60,892.04
  6. Step 6: Final answer
    x = 28,166.20

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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.