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Finding the Fourth Proportional to 46,439, 64,086.08 and 25,218.26

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Solution

The fourth proportional to 46,439, 64,086.08 and 25,218.26 is: 34,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439 : 64,086.08 = 25,218.26 : x
  2. Step 2: Convert to fraction form
    46,439/64,086.08 = 25,218.26/x
  3. Step 3: Cross multiply
    46,439x = 64,086.08 × 25,218.26
  4. Step 4: Simplify right side
    46,439x = 1,616,139,427.82
  5. Step 5: Solve for x
    x = 1,616,139,427.82/46,439
  6. Step 6: Final answer
    x = 34,801.34

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1.5x scale

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.