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Finding the Fourth Proportional to 8,933.51, 12,318.14 and 5,699.01

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Solution

The fourth proportional to 8,933.51, 12,318.14 and 5,699.01 is: 7,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.51 : 12,318.14 = 5,699.01 : x
  2. Step 2: Convert to fraction form
    8,933.51/12,318.14 = 5,699.01/x
  3. Step 3: Cross multiply
    8,933.51x = 12,318.14 × 5,699.01
  4. Step 4: Simplify right side
    8,933.51x = 70,201,248.08
  5. Step 5: Solve for x
    x = 70,201,248.08/8,933.51
  6. Step 6: Final answer
    x = 7,858.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.