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Finding the Fourth Proportional to 64,028.68, 96,068.22 and 32,421.40

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Solution

The fourth proportional to 64,028.68, 96,068.22 and 32,421.40 is: 48,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,028.68 : 96,068.22 = 32,421.40 : x
  2. Step 2: Convert to fraction form
    64,028.68/96,068.22 = 32,421.40/x
  3. Step 3: Cross multiply
    64,028.68x = 96,068.22 × 32,421.40
  4. Step 4: Simplify right side
    64,028.68x = 3,114,666,187.91
  5. Step 5: Solve for x
    x = 3,114,666,187.91/64,028.68
  6. Step 6: Final answer
    x = 48,644.86

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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.