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Finding the Fourth Proportional to 30,359.51, 41,907.65 and 22,827.70

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Solution

The fourth proportional to 30,359.51, 41,907.65 and 22,827.70 is: 31,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.51 : 41,907.65 = 22,827.70 : x
  2. Step 2: Convert to fraction form
    30,359.51/41,907.65 = 22,827.70/x
  3. Step 3: Cross multiply
    30,359.51x = 41,907.65 × 22,827.70
  4. Step 4: Simplify right side
    30,359.51x = 956,655,200.15
  5. Step 5: Solve for x
    x = 956,655,200.15/30,359.51
  6. Step 6: Final answer
    x = 31,510.89

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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.