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Finding the Fourth Proportional to 46,866.90, 64,676.70 and 25,646.34

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Solution

The fourth proportional to 46,866.90, 64,676.70 and 25,646.34 is: 35,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,866.90 : 64,676.70 = 25,646.34 : x
  2. Step 2: Convert to fraction form
    46,866.90/64,676.70 = 25,646.34/x
  3. Step 3: Cross multiply
    46,866.90x = 64,676.70 × 25,646.34
  4. Step 4: Simplify right side
    46,866.90x = 1,658,720,638.28
  5. Step 5: Solve for x
    x = 1,658,720,638.28/46,866.90
  6. Step 6: Final answer
    x = 35,392.16

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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.