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Finding the Fourth Proportional to 43,807.88, 65,717.76 and 14,216.16

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Solution

The fourth proportional to 43,807.88, 65,717.76 and 14,216.16 is: 21,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.88 : 65,717.76 = 14,216.16 : x
  2. Step 2: Convert to fraction form
    43,807.88/65,717.76 = 14,216.16/x
  3. Step 3: Cross multiply
    43,807.88x = 65,717.76 × 14,216.16
  4. Step 4: Simplify right side
    43,807.88x = 934,254,191.00
  5. Step 5: Solve for x
    x = 934,254,191.00/43,807.88
  6. Step 6: Final answer
    x = 21,326.17

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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.