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Finding the Fourth Proportional to 36,038.80, 54,058.20 and 35,779.60

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Solution

The fourth proportional to 36,038.80, 54,058.20 and 35,779.60 is: 53,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.80 : 54,058.20 = 35,779.60 : x
  2. Step 2: Convert to fraction form
    36,038.80/54,058.20 = 35,779.60/x
  3. Step 3: Cross multiply
    36,038.80x = 54,058.20 × 35,779.60
  4. Step 4: Simplify right side
    36,038.80x = 1,934,180,772.72
  5. Step 5: Solve for x
    x = 1,934,180,772.72/36,038.80
  6. Step 6: Final answer
    x = 53,669.40

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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.