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Finding the Fourth Proportional to 32,468.88, 44,807.88 and 21,142.80

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Solution

The fourth proportional to 32,468.88, 44,807.88 and 21,142.80 is: 29,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,468.88 : 44,807.88 = 21,142.80 : x
  2. Step 2: Convert to fraction form
    32,468.88/44,807.88 = 21,142.80/x
  3. Step 3: Cross multiply
    32,468.88x = 44,807.88 × 21,142.80
  4. Step 4: Simplify right side
    32,468.88x = 947,364,045.26
  5. Step 5: Solve for x
    x = 947,364,045.26/32,468.88
  6. Step 6: Final answer
    x = 29,177.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.