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Finding the Fourth Proportional to 8,699.40, 13,036.14 and 4,996.08

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Solution

The fourth proportional to 8,699.40, 13,036.14 and 4,996.08 is: 7,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.40 : 13,036.14 = 4,996.08 : x
  2. Step 2: Convert to fraction form
    8,699.40/13,036.14 = 4,996.08/x
  3. Step 3: Cross multiply
    8,699.40x = 13,036.14 × 4,996.08
  4. Step 4: Simplify right side
    8,699.40x = 65,129,598.33
  5. Step 5: Solve for x
    x = 65,129,598.33/8,699.40
  6. Step 6: Final answer
    x = 7,486.68

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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.