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Finding the Fourth Proportional to 32,989.88, 49,477.22 and 19,666.63

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Solution

The fourth proportional to 32,989.88, 49,477.22 and 19,666.63 is: 29,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.88 : 49,477.22 = 19,666.63 : x
  2. Step 2: Convert to fraction form
    32,989.88/49,477.22 = 19,666.63/x
  3. Step 3: Cross multiply
    32,989.88x = 49,477.22 × 19,666.63
  4. Step 4: Simplify right side
    32,989.88x = 973,050,179.17
  5. Step 5: Solve for x
    x = 973,050,179.17/32,989.88
  6. Step 6: Final answer
    x = 29,495.42

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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.