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Finding the Fourth Proportional to 75,528.40, 113,195.40 and 36,000.40

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Solution

The fourth proportional to 75,528.40, 113,195.40 and 36,000.40 is: 53,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528.40 : 113,195.40 = 36,000.40 : x
  2. Step 2: Convert to fraction form
    75,528.40/113,195.40 = 36,000.40/x
  3. Step 3: Cross multiply
    75,528.40x = 113,195.40 × 36,000.40
  4. Step 4: Simplify right side
    75,528.40x = 4,075,079,678.16
  5. Step 5: Solve for x
    x = 4,075,079,678.16/75,528.40
  6. Step 6: Final answer
    x = 53,954.27

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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.