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Finding the Fourth Proportional to 35,703.04, 53,587.76 and 18,186

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Solution

The fourth proportional to 35,703.04, 53,587.76 and 18,186 is: 27,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.04 : 53,587.76 = 18,186 : x
  2. Step 2: Convert to fraction form
    35,703.04/53,587.76 = 18,186/x
  3. Step 3: Cross multiply
    35,703.04x = 53,587.76 × 18,186
  4. Step 4: Simplify right side
    35,703.04x = 974,547,003.36
  5. Step 5: Solve for x
    x = 974,547,003.36/35,703.04
  6. Step 6: Final answer
    x = 27,295.91

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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.