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Finding the Fourth Proportional to 43,955.93, 65,929.07 and 12,367.00

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Solution

The fourth proportional to 43,955.93, 65,929.07 and 12,367.00 is: 18,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,955.93 : 65,929.07 = 12,367.00 : x
  2. Step 2: Convert to fraction form
    43,955.93/65,929.07 = 12,367.00/x
  3. Step 3: Cross multiply
    43,955.93x = 65,929.07 × 12,367.00
  4. Step 4: Simplify right side
    43,955.93x = 815,344,417.21
  5. Step 5: Solve for x
    x = 815,344,417.21/43,955.93
  6. Step 6: Final answer
    x = 18,549.13

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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.