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Finding the Fourth Proportional to 33,570, 46,315.26 and 19,417.68

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Solution

The fourth proportional to 33,570, 46,315.26 and 19,417.68 is: 26,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,570 : 46,315.26 = 19,417.68 : x
  2. Step 2: Convert to fraction form
    33,570/46,315.26 = 19,417.68/x
  3. Step 3: Cross multiply
    33,570x = 46,315.26 × 19,417.68
  4. Step 4: Simplify right side
    33,570x = 899,334,897.80
  5. Step 5: Solve for x
    x = 899,334,897.80/33,570
  6. Step 6: Final answer
    x = 26,789.84

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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.