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Finding the Fourth Proportional to 29,707.96, 44,561.10 and 9,987.64

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Solution

The fourth proportional to 29,707.96, 44,561.10 and 9,987.64 is: 14,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.96 : 44,561.10 = 9,987.64 : x
  2. Step 2: Convert to fraction form
    29,707.96/44,561.10 = 9,987.64/x
  3. Step 3: Cross multiply
    29,707.96x = 44,561.10 × 9,987.64
  4. Step 4: Simplify right side
    29,707.96x = 445,060,224.80
  5. Step 5: Solve for x
    x = 445,060,224.80/29,707.96
  6. Step 6: Final answer
    x = 14,981.18

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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.