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Finding the Fourth Proportional to 33,606.72, 46,376.64 and 18,702.72

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Solution

The fourth proportional to 33,606.72, 46,376.64 and 18,702.72 is: 25,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,606.72 : 46,376.64 = 18,702.72 : x
  2. Step 2: Convert to fraction form
    33,606.72/46,376.64 = 18,702.72/x
  3. Step 3: Cross multiply
    33,606.72x = 46,376.64 × 18,702.72
  4. Step 4: Simplify right side
    33,606.72x = 867,369,312.46
  5. Step 5: Solve for x
    x = 867,369,312.46/33,606.72
  6. Step 6: Final answer
    x = 25,809.40

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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.