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Finding the Fourth Proportional to 29,445.36, 44,158.68 and 9,720.24

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Solution

The fourth proportional to 29,445.36, 44,158.68 and 9,720.24 is: 14,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.36 : 44,158.68 = 9,720.24 : x
  2. Step 2: Convert to fraction form
    29,445.36/44,158.68 = 9,720.24/x
  3. Step 3: Cross multiply
    29,445.36x = 44,158.68 × 9,720.24
  4. Step 4: Simplify right side
    29,445.36x = 429,232,967.68
  5. Step 5: Solve for x
    x = 429,232,967.68/29,445.36
  6. Step 6: Final answer
    x = 14,577.27

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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.