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Finding the Fourth Proportional to 55,590.64, 83,360.64 and 23,985.73

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Solution

The fourth proportional to 55,590.64, 83,360.64 and 23,985.73 is: 35,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.64 : 83,360.64 = 23,985.73 : x
  2. Step 2: Convert to fraction form
    55,590.64/83,360.64 = 23,985.73/x
  3. Step 3: Cross multiply
    55,590.64x = 83,360.64 × 23,985.73
  4. Step 4: Simplify right side
    55,590.64x = 1,999,465,386.86
  5. Step 5: Solve for x
    x = 1,999,465,386.86/55,590.64
  6. Step 6: Final answer
    x = 35,967.67

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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.