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Finding the Fourth Proportional to 48,907.40, 73,130.70 and 36,465.80

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Solution

The fourth proportional to 48,907.40, 73,130.70 and 36,465.80 is: 54,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.40 : 73,130.70 = 36,465.80 : x
  2. Step 2: Convert to fraction form
    48,907.40/73,130.70 = 36,465.80/x
  3. Step 3: Cross multiply
    48,907.40x = 73,130.70 × 36,465.80
  4. Step 4: Simplify right side
    48,907.40x = 2,666,769,480.06
  5. Step 5: Solve for x
    x = 2,666,769,480.06/48,907.40
  6. Step 6: Final answer
    x = 54,526.91

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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.