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Finding the Fourth Proportional to 39,368.52, 59,035.01 and 11,282.15

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Solution

The fourth proportional to 39,368.52, 59,035.01 and 11,282.15 is: 16,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,368.52 : 59,035.01 = 11,282.15 : x
  2. Step 2: Convert to fraction form
    39,368.52/59,035.01 = 11,282.15/x
  3. Step 3: Cross multiply
    39,368.52x = 59,035.01 × 11,282.15
  4. Step 4: Simplify right side
    39,368.52x = 666,041,486.49
  5. Step 5: Solve for x
    x = 666,041,486.49/39,368.52
  6. Step 6: Final answer
    x = 16,918.12

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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.