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Finding the Fourth Proportional to 31,860.63, 43,962.50 and 17,713.11

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Solution

The fourth proportional to 31,860.63, 43,962.50 and 17,713.11 is: 24,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.63 : 43,962.50 = 17,713.11 : x
  2. Step 2: Convert to fraction form
    31,860.63/43,962.50 = 17,713.11/x
  3. Step 3: Cross multiply
    31,860.63x = 43,962.50 × 17,713.11
  4. Step 4: Simplify right side
    31,860.63x = 778,712,509.81
  5. Step 5: Solve for x
    x = 778,712,509.81/31,860.63
  6. Step 6: Final answer
    x = 24,441.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.