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Finding the Fourth Proportional to 35,316.88, 52,975.40 and 8,663.00

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Solution

The fourth proportional to 35,316.88, 52,975.40 and 8,663.00 is: 12,994.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.88 : 52,975.40 = 8,663.00 : x
  2. Step 2: Convert to fraction form
    35,316.88/52,975.40 = 8,663.00/x
  3. Step 3: Cross multiply
    35,316.88x = 52,975.40 × 8,663.00
  4. Step 4: Simplify right side
    35,316.88x = 458,925,582.01
  5. Step 5: Solve for x
    x = 458,925,582.01/35,316.88
  6. Step 6: Final answer
    x = 12,994.51

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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.