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Finding the Fourth Proportional to 79,528.76, 119,290.01 and 26,938.24

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Solution

The fourth proportional to 79,528.76, 119,290.01 and 26,938.24 is: 40,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.76 : 119,290.01 = 26,938.24 : x
  2. Step 2: Convert to fraction form
    79,528.76/119,290.01 = 26,938.24/x
  3. Step 3: Cross multiply
    79,528.76x = 119,290.01 × 26,938.24
  4. Step 4: Simplify right side
    79,528.76x = 3,213,462,322.53
  5. Step 5: Solve for x
    x = 3,213,462,322.53/79,528.76
  6. Step 6: Final answer
    x = 40,406.29

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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.