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Finding the Fourth Proportional to 18,055.57, 27,070.98 and 9,623.32

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Solution

The fourth proportional to 18,055.57, 27,070.98 and 9,623.32 is: 14,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.57 : 27,070.98 = 9,623.32 : x
  2. Step 2: Convert to fraction form
    18,055.57/27,070.98 = 9,623.32/x
  3. Step 3: Cross multiply
    18,055.57x = 27,070.98 × 9,623.32
  4. Step 4: Simplify right side
    18,055.57x = 260,512,703.25
  5. Step 5: Solve for x
    x = 260,512,703.25/18,055.57
  6. Step 6: Final answer
    x = 14,428.38

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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.