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Finding the Fourth Proportional to 8,090.98, 12,089.26 and 5,973.64

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Solution

The fourth proportional to 8,090.98, 12,089.26 and 5,973.64 is: 8,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.98 : 12,089.26 = 5,973.64 : x
  2. Step 2: Convert to fraction form
    8,090.98/12,089.26 = 5,973.64/x
  3. Step 3: Cross multiply
    8,090.98x = 12,089.26 × 5,973.64
  4. Step 4: Simplify right side
    8,090.98x = 72,216,887.11
  5. Step 5: Solve for x
    x = 72,216,887.11/8,090.98
  6. Step 6: Final answer
    x = 8,925.60

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Double scale
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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.