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Finding the Fourth Proportional to 54,398.84, 75,075.80 and 36,531.04

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Solution

The fourth proportional to 54,398.84, 75,075.80 and 36,531.04 is: 50,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,398.84 : 75,075.80 = 36,531.04 : x
  2. Step 2: Convert to fraction form
    54,398.84/75,075.80 = 36,531.04/x
  3. Step 3: Cross multiply
    54,398.84x = 75,075.80 × 36,531.04
  4. Step 4: Simplify right side
    54,398.84x = 2,742,597,052.83
  5. Step 5: Solve for x
    x = 2,742,597,052.83/54,398.84
  6. Step 6: Final answer
    x = 50,416.46

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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.