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Finding the Fourth Proportional to 5,904.90, 8,804.40 and 5,691.47

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Solution

The fourth proportional to 5,904.90, 8,804.40 and 5,691.47 is: 8,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.90 : 8,804.40 = 5,691.47 : x
  2. Step 2: Convert to fraction form
    5,904.90/8,804.40 = 5,691.47/x
  3. Step 3: Cross multiply
    5,904.90x = 8,804.40 × 5,691.47
  4. Step 4: Simplify right side
    5,904.90x = 50,109,913.10
  5. Step 5: Solve for x
    x = 50,109,913.10/5,904.90
  6. Step 6: Final answer
    x = 8,486.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.