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Finding the Fourth Proportional to 36,417.51, 50,263.67 and 21,318.10

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Solution

The fourth proportional to 36,417.51, 50,263.67 and 21,318.10 is: 29,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,417.51 : 50,263.67 = 21,318.10 : x
  2. Step 2: Convert to fraction form
    36,417.51/50,263.67 = 21,318.10/x
  3. Step 3: Cross multiply
    36,417.51x = 50,263.67 × 21,318.10
  4. Step 4: Simplify right side
    36,417.51x = 1,071,525,871.06
  5. Step 5: Solve for x
    x = 1,071,525,871.06/36,417.51
  6. Step 6: Final answer
    x = 29,423.37

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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.