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Finding the Fourth Proportional to 18,904.04, 28,356.05 and 6,592.04

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Solution

The fourth proportional to 18,904.04, 28,356.05 and 6,592.04 is: 9,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.04 : 28,356.05 = 6,592.04 : x
  2. Step 2: Convert to fraction form
    18,904.04/28,356.05 = 6,592.04/x
  3. Step 3: Cross multiply
    18,904.04x = 28,356.05 × 6,592.04
  4. Step 4: Simplify right side
    18,904.04x = 186,924,041.10
  5. Step 5: Solve for x
    x = 186,924,041.10/18,904.04
  6. Step 6: Final answer
    x = 9,888.05

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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.