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Finding the Fourth Proportional to 36,699.30, 55,048.95 and 10,403.70

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Solution

The fourth proportional to 36,699.30, 55,048.95 and 10,403.70 is: 15,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.30 : 55,048.95 = 10,403.70 : x
  2. Step 2: Convert to fraction form
    36,699.30/55,048.95 = 10,403.70/x
  3. Step 3: Cross multiply
    36,699.30x = 55,048.95 × 10,403.70
  4. Step 4: Simplify right side
    36,699.30x = 572,712,761.12
  5. Step 5: Solve for x
    x = 572,712,761.12/36,699.30
  6. Step 6: Final answer
    x = 15,605.55

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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.