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Finding the Fourth Proportional to 46,978.37, 64,830.08 and 25,758.99

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Solution

The fourth proportional to 46,978.37, 64,830.08 and 25,758.99 is: 35,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,978.37 : 64,830.08 = 25,758.99 : x
  2. Step 2: Convert to fraction form
    46,978.37/64,830.08 = 25,758.99/x
  3. Step 3: Cross multiply
    46,978.37x = 64,830.08 × 25,758.99
  4. Step 4: Simplify right side
    46,978.37x = 1,669,957,253.62
  5. Step 5: Solve for x
    x = 1,669,957,253.62/46,978.37
  6. Step 6: Final answer
    x = 35,547.37

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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.