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Finding the Fourth Proportional to 6,368.66, 9,554.04 and 1,985.24

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Solution

The fourth proportional to 6,368.66, 9,554.04 and 1,985.24 is: 2,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.66 : 9,554.04 = 1,985.24 : x
  2. Step 2: Convert to fraction form
    6,368.66/9,554.04 = 1,985.24/x
  3. Step 3: Cross multiply
    6,368.66x = 9,554.04 × 1,985.24
  4. Step 4: Simplify right side
    6,368.66x = 18,967,062.37
  5. Step 5: Solve for x
    x = 18,967,062.37/6,368.66
  6. Step 6: Final answer
    x = 2,978.19

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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.