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Finding the Fourth Proportional to 37,999.05, 56,988.81 and 17,988.81

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Solution

The fourth proportional to 37,999.05, 56,988.81 and 17,988.81 is: 26,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.05 : 56,988.81 = 17,988.81 : x
  2. Step 2: Convert to fraction form
    37,999.05/56,988.81 = 17,988.81/x
  3. Step 3: Cross multiply
    37,999.05x = 56,988.81 × 17,988.81
  4. Step 4: Simplify right side
    37,999.05x = 1,025,160,875.22
  5. Step 5: Solve for x
    x = 1,025,160,875.22/37,999.05
  6. Step 6: Final answer
    x = 26,978.59

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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.