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Finding the Fourth Proportional to 63,390.03, 94,895.64 and 38,354.42

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Solution

The fourth proportional to 63,390.03, 94,895.64 and 38,354.42 is: 57,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.03 : 94,895.64 = 38,354.42 : x
  2. Step 2: Convert to fraction form
    63,390.03/94,895.64 = 38,354.42/x
  3. Step 3: Cross multiply
    63,390.03x = 94,895.64 × 38,354.42
  4. Step 4: Simplify right side
    63,390.03x = 3,639,666,758.25
  5. Step 5: Solve for x
    x = 3,639,666,758.25/63,390.03
  6. Step 6: Final answer
    x = 57,417.02

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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.