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Finding the Fourth Proportional to 36,070.57, 54,108.94 and 9,420.11

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Solution

The fourth proportional to 36,070.57, 54,108.94 and 9,420.11 is: 14,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.57 : 54,108.94 = 9,420.11 : x
  2. Step 2: Convert to fraction form
    36,070.57/54,108.94 = 9,420.11/x
  3. Step 3: Cross multiply
    36,070.57x = 54,108.94 × 9,420.11
  4. Step 4: Simplify right side
    36,070.57x = 509,712,166.78
  5. Step 5: Solve for x
    x = 509,712,166.78/36,070.57
  6. Step 6: Final answer
    x = 14,130.97

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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.