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Finding the Fourth Proportional to 46,440, 64,086.63 and 25,219.42

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Solution

The fourth proportional to 46,440, 64,086.63 and 25,219.42 is: 34,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,440 : 64,086.63 = 25,219.42 : x
  2. Step 2: Convert to fraction form
    46,440/64,086.63 = 25,219.42/x
  3. Step 3: Cross multiply
    46,440x = 64,086.63 × 25,219.42
  4. Step 4: Simplify right side
    46,440x = 1,616,227,541.19
  5. Step 5: Solve for x
    x = 1,616,227,541.19/46,440
  6. Step 6: Final answer
    x = 34,802.49

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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.