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Finding the Fourth Proportional to 39,433.51, 59,141.35 and 11,353.51

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Solution

The fourth proportional to 39,433.51, 59,141.35 and 11,353.51 is: 17,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.51 : 59,141.35 = 11,353.51 : x
  2. Step 2: Convert to fraction form
    39,433.51/59,141.35 = 11,353.51/x
  3. Step 3: Cross multiply
    39,433.51x = 59,141.35 × 11,353.51
  4. Step 4: Simplify right side
    39,433.51x = 671,461,908.64
  5. Step 5: Solve for x
    x = 671,461,908.64/39,433.51
  6. Step 6: Final answer
    x = 17,027.70

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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.