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Finding the Fourth Proportional to 56,598.72, 84,931.44 and 21,567.84

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Solution

The fourth proportional to 56,598.72, 84,931.44 and 21,567.84 is: 32,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,598.72 : 84,931.44 = 21,567.84 : x
  2. Step 2: Convert to fraction form
    56,598.72/84,931.44 = 21,567.84/x
  3. Step 3: Cross multiply
    56,598.72x = 84,931.44 × 21,567.84
  4. Step 4: Simplify right side
    56,598.72x = 1,831,787,708.89
  5. Step 5: Solve for x
    x = 1,831,787,708.89/56,598.72
  6. Step 6: Final answer
    x = 32,364.47

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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.