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Finding the Fourth Proportional to 35,070.56, 48,410.80 and 21,644

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Solution

The fourth proportional to 35,070.56, 48,410.80 and 21,644 is: 29,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,070.56 : 48,410.80 = 21,644 : x
  2. Step 2: Convert to fraction form
    35,070.56/48,410.80 = 21,644/x
  3. Step 3: Cross multiply
    35,070.56x = 48,410.80 × 21,644
  4. Step 4: Simplify right side
    35,070.56x = 1,047,803,355.20
  5. Step 5: Solve for x
    x = 1,047,803,355.20/35,070.56
  6. Step 6: Final answer
    x = 29,877.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.