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Finding the Fourth Proportional to 64,430.58, 96,607.01 and 28,885.46

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Solution

The fourth proportional to 64,430.58, 96,607.01 and 28,885.46 is: 43,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.58 : 96,607.01 = 28,885.46 : x
  2. Step 2: Convert to fraction form
    64,430.58/96,607.01 = 28,885.46/x
  3. Step 3: Cross multiply
    64,430.58x = 96,607.01 × 28,885.46
  4. Step 4: Simplify right side
    64,430.58x = 2,790,537,524.69
  5. Step 5: Solve for x
    x = 2,790,537,524.69/64,430.58
  6. Step 6: Final answer
    x = 43,310.76

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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.