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Finding the Fourth Proportional to 4,998.16, 7,495.86 and 1,877.92

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Solution

The fourth proportional to 4,998.16, 7,495.86 and 1,877.92 is: 2,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.16 : 7,495.86 = 1,877.92 : x
  2. Step 2: Convert to fraction form
    4,998.16/7,495.86 = 1,877.92/x
  3. Step 3: Cross multiply
    4,998.16x = 7,495.86 × 1,877.92
  4. Step 4: Simplify right side
    4,998.16x = 14,076,625.41
  5. Step 5: Solve for x
    x = 14,076,625.41/4,998.16
  6. Step 6: Final answer
    x = 2,816.36

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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.