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Finding the Fourth Proportional to 35,280.08, 52,919.96 and 10,656.08

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Solution

The fourth proportional to 35,280.08, 52,919.96 and 10,656.08 is: 15,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.08 : 52,919.96 = 10,656.08 : x
  2. Step 2: Convert to fraction form
    35,280.08/52,919.96 = 10,656.08/x
  3. Step 3: Cross multiply
    35,280.08x = 52,919.96 × 10,656.08
  4. Step 4: Simplify right side
    35,280.08x = 563,919,327.36
  5. Step 5: Solve for x
    x = 563,919,327.36/35,280.08
  6. Step 6: Final answer
    x = 15,984.07

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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.