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Finding the Fourth Proportional to 49,903.31, 74,843.53 and 14,364.16

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Solution

The fourth proportional to 49,903.31, 74,843.53 and 14,364.16 is: 21,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.31 : 74,843.53 = 14,364.16 : x
  2. Step 2: Convert to fraction form
    49,903.31/74,843.53 = 14,364.16/x
  3. Step 3: Cross multiply
    49,903.31x = 74,843.53 × 14,364.16
  4. Step 4: Simplify right side
    49,903.31x = 1,075,064,216.87
  5. Step 5: Solve for x
    x = 1,075,064,216.87/49,903.31
  6. Step 6: Final answer
    x = 21,542.94

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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.