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Finding the Fourth Proportional to 43,343.61, 65,020.88 and 14,886.12

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Solution

The fourth proportional to 43,343.61, 65,020.88 and 14,886.12 is: 22,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.61 : 65,020.88 = 14,886.12 : x
  2. Step 2: Convert to fraction form
    43,343.61/65,020.88 = 14,886.12/x
  3. Step 3: Cross multiply
    43,343.61x = 65,020.88 × 14,886.12
  4. Step 4: Simplify right side
    43,343.61x = 967,908,622.19
  5. Step 5: Solve for x
    x = 967,908,622.19/43,343.61
  6. Step 6: Final answer
    x = 22,331.06

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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.