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Finding the Fourth Proportional to 30,673.91, 46,010.78 and 9,615.55

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Solution

The fourth proportional to 30,673.91, 46,010.78 and 9,615.55 is: 14,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.91 : 46,010.78 = 9,615.55 : x
  2. Step 2: Convert to fraction form
    30,673.91/46,010.78 = 9,615.55/x
  3. Step 3: Cross multiply
    30,673.91x = 46,010.78 × 9,615.55
  4. Step 4: Simplify right side
    30,673.91x = 442,418,955.63
  5. Step 5: Solve for x
    x = 442,418,955.63/30,673.91
  6. Step 6: Final answer
    x = 14,423.30

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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.