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Finding the Fourth Proportional to 31,242.80, 46,866.02 and 9,055.68

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Solution

The fourth proportional to 31,242.80, 46,866.02 and 9,055.68 is: 13,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.80 : 46,866.02 = 9,055.68 : x
  2. Step 2: Convert to fraction form
    31,242.80/46,866.02 = 9,055.68/x
  3. Step 3: Cross multiply
    31,242.80x = 46,866.02 × 9,055.68
  4. Step 4: Simplify right side
    31,242.80x = 424,403,634.72
  5. Step 5: Solve for x
    x = 424,403,634.72/31,242.80
  6. Step 6: Final answer
    x = 13,584.05

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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.