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Finding the Fourth Proportional to 30,398.94, 45,602.98 and 10,674.02

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Solution

The fourth proportional to 30,398.94, 45,602.98 and 10,674.02 is: 16,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.94 : 45,602.98 = 10,674.02 : x
  2. Step 2: Convert to fraction form
    30,398.94/45,602.98 = 10,674.02/x
  3. Step 3: Cross multiply
    30,398.94x = 45,602.98 × 10,674.02
  4. Step 4: Simplify right side
    30,398.94x = 486,767,207.90
  5. Step 5: Solve for x
    x = 486,767,207.90/30,398.94
  6. Step 6: Final answer
    x = 16,012.64

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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.