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Finding the Fourth Proportional to 32,187.50, 44,415.15 and 18,038.30

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Solution

The fourth proportional to 32,187.50, 44,415.15 and 18,038.30 is: 24,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,187.50 : 44,415.15 = 18,038.30 : x
  2. Step 2: Convert to fraction form
    32,187.50/44,415.15 = 18,038.30/x
  3. Step 3: Cross multiply
    32,187.50x = 44,415.15 × 18,038.30
  4. Step 4: Simplify right side
    32,187.50x = 801,173,800.25
  5. Step 5: Solve for x
    x = 801,173,800.25/32,187.50
  6. Step 6: Final answer
    x = 24,890.84

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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.