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Finding the Fourth Proportional to 33,809.01, 46,656.18 and 18,905.01

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Solution

The fourth proportional to 33,809.01, 46,656.18 and 18,905.01 is: 26,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.01 : 46,656.18 = 18,905.01 : x
  2. Step 2: Convert to fraction form
    33,809.01/46,656.18 = 18,905.01/x
  3. Step 3: Cross multiply
    33,809.01x = 46,656.18 × 18,905.01
  4. Step 4: Simplify right side
    33,809.01x = 882,035,549.46
  5. Step 5: Solve for x
    x = 882,035,549.46/33,809.01
  6. Step 6: Final answer
    x = 26,088.77

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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.