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Finding the Fourth Proportional to 8,972.99, 13,459.48 and 4,036.86

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Solution

The fourth proportional to 8,972.99, 13,459.48 and 4,036.86 is: 6,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.99 : 13,459.48 = 4,036.86 : x
  2. Step 2: Convert to fraction form
    8,972.99/13,459.48 = 4,036.86/x
  3. Step 3: Cross multiply
    8,972.99x = 13,459.48 × 4,036.86
  4. Step 4: Simplify right side
    8,972.99x = 54,334,036.43
  5. Step 5: Solve for x
    x = 54,334,036.43/8,972.99
  6. Step 6: Final answer
    x = 6,055.29

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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.