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Finding the Fourth Proportional to 48,966.20, 73,526.10 and 28,230.20

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Solution

The fourth proportional to 48,966.20, 73,526.10 and 28,230.20 is: 42,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,966.20 : 73,526.10 = 28,230.20 : x
  2. Step 2: Convert to fraction form
    48,966.20/73,526.10 = 28,230.20/x
  3. Step 3: Cross multiply
    48,966.20x = 73,526.10 × 28,230.20
  4. Step 4: Simplify right side
    48,966.20x = 2,075,656,508.22
  5. Step 5: Solve for x
    x = 2,075,656,508.22/48,966.20
  6. Step 6: Final answer
    x = 42,389.58

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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.