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Finding the Fourth Proportional to 37,318.19, 51,501.45 and 20,551.19

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Solution

The fourth proportional to 37,318.19, 51,501.45 and 20,551.19 is: 28,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,318.19 : 51,501.45 = 20,551.19 : x
  2. Step 2: Convert to fraction form
    37,318.19/51,501.45 = 20,551.19/x
  3. Step 3: Cross multiply
    37,318.19x = 51,501.45 × 20,551.19
  4. Step 4: Simplify right side
    37,318.19x = 1,058,415,981.47
  5. Step 5: Solve for x
    x = 1,058,415,981.47/37,318.19
  6. Step 6: Final answer
    x = 28,361.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.