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Finding the Fourth Proportional to 64,442.76, 88,890.12 and 46,564.08

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Solution

The fourth proportional to 64,442.76, 88,890.12 and 46,564.08 is: 64,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,442.76 : 88,890.12 = 46,564.08 : x
  2. Step 2: Convert to fraction form
    64,442.76/88,890.12 = 46,564.08/x
  3. Step 3: Cross multiply
    64,442.76x = 88,890.12 × 46,564.08
  4. Step 4: Simplify right side
    64,442.76x = 4,139,086,658.89
  5. Step 5: Solve for x
    x = 4,139,086,658.89/64,442.76
  6. Step 6: Final answer
    x = 64,228.89

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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.