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Finding the Fourth Proportional to 43,897.66, 65,830.92 and 15,810.18

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Solution

The fourth proportional to 43,897.66, 65,830.92 and 15,810.18 is: 23,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,897.66 : 65,830.92 = 15,810.18 : x
  2. Step 2: Convert to fraction form
    43,897.66/65,830.92 = 15,810.18/x
  3. Step 3: Cross multiply
    43,897.66x = 65,830.92 × 15,810.18
  4. Step 4: Simplify right side
    43,897.66x = 1,040,798,694.77
  5. Step 5: Solve for x
    x = 1,040,798,694.77/43,897.66
  6. Step 6: Final answer
    x = 23,709.66

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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.