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Finding the Fourth Proportional to 35,303.68, 48,719.64 and 19,388.08

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Solution

The fourth proportional to 35,303.68, 48,719.64 and 19,388.08 is: 26,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,303.68 : 48,719.64 = 19,388.08 : x
  2. Step 2: Convert to fraction form
    35,303.68/48,719.64 = 19,388.08/x
  3. Step 3: Cross multiply
    35,303.68x = 48,719.64 × 19,388.08
  4. Step 4: Simplify right side
    35,303.68x = 944,580,277.89
  5. Step 5: Solve for x
    x = 944,580,277.89/35,303.68
  6. Step 6: Final answer
    x = 26,755.86

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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.