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Finding the Fourth Proportional to 57,014.60, 85,392.30 and 36,019.40

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Solution

The fourth proportional to 57,014.60, 85,392.30 and 36,019.40 is: 53,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.60 : 85,392.30 = 36,019.40 : x
  2. Step 2: Convert to fraction form
    57,014.60/85,392.30 = 36,019.40/x
  3. Step 3: Cross multiply
    57,014.60x = 85,392.30 × 36,019.40
  4. Step 4: Simplify right side
    57,014.60x = 3,075,779,410.62
  5. Step 5: Solve for x
    x = 3,075,779,410.62/57,014.60
  6. Step 6: Final answer
    x = 53,947.22

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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.