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Finding the Fourth Proportional to 30,763.51, 46,149.11 and 12,041.13

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Solution

The fourth proportional to 30,763.51, 46,149.11 and 12,041.13 is: 18,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.51 : 46,149.11 = 12,041.13 : x
  2. Step 2: Convert to fraction form
    30,763.51/46,149.11 = 12,041.13/x
  3. Step 3: Cross multiply
    30,763.51x = 46,149.11 × 12,041.13
  4. Step 4: Simplify right side
    30,763.51x = 555,687,432.89
  5. Step 5: Solve for x
    x = 555,687,432.89/30,763.51
  6. Step 6: Final answer
    x = 18,063.20

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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.