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Finding the Fourth Proportional to 30,046, 45,025.16 and 16,902.04

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Solution

The fourth proportional to 30,046, 45,025.16 and 16,902.04 is: 25,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046 : 45,025.16 = 16,902.04 : x
  2. Step 2: Convert to fraction form
    30,046/45,025.16 = 16,902.04/x
  3. Step 3: Cross multiply
    30,046x = 45,025.16 × 16,902.04
  4. Step 4: Simplify right side
    30,046x = 761,017,055.33
  5. Step 5: Solve for x
    x = 761,017,055.33/30,046
  6. Step 6: Final answer
    x = 25,328.40

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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.