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Finding the Fourth Proportional to 44,600, 66,888.96 and 13,009.16

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Solution

The fourth proportional to 44,600, 66,888.96 and 13,009.16 is: 19,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,600 : 66,888.96 = 13,009.16 : x
  2. Step 2: Convert to fraction form
    44,600/66,888.96 = 13,009.16/x
  3. Step 3: Cross multiply
    44,600x = 66,888.96 × 13,009.16
  4. Step 4: Simplify right side
    44,600x = 870,169,182.87
  5. Step 5: Solve for x
    x = 870,169,182.87/44,600
  6. Step 6: Final answer
    x = 19,510.52

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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.