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Finding the Fourth Proportional to 33,622.40, 46,398.08 and 18,718.08

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Solution

The fourth proportional to 33,622.40, 46,398.08 and 18,718.08 is: 25,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,622.40 : 46,398.08 = 18,718.08 : x
  2. Step 2: Convert to fraction form
    33,622.40/46,398.08 = 18,718.08/x
  3. Step 3: Cross multiply
    33,622.40x = 46,398.08 × 18,718.08
  4. Step 4: Simplify right side
    33,622.40x = 868,482,973.29
  5. Step 5: Solve for x
    x = 868,482,973.29/33,622.40
  6. Step 6: Final answer
    x = 25,830.49

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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.