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Finding the Fourth Proportional to 64,347.10, 96,475.65 and 38,038.30

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Solution

The fourth proportional to 64,347.10, 96,475.65 and 38,038.30 is: 57,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,347.10 : 96,475.65 = 38,038.30 : x
  2. Step 2: Convert to fraction form
    64,347.10/96,475.65 = 38,038.30/x
  3. Step 3: Cross multiply
    64,347.10x = 96,475.65 × 38,038.30
  4. Step 4: Simplify right side
    64,347.10x = 3,669,769,717.40
  5. Step 5: Solve for x
    x = 3,669,769,717.40/64,347.10
  6. Step 6: Final answer
    x = 57,030.85

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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.