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Finding the Fourth Proportional to 46,679.96, 64,419.90 and 25,460.40

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Solution

The fourth proportional to 46,679.96, 64,419.90 and 25,460.40 is: 35,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.96 : 64,419.90 = 25,460.40 : x
  2. Step 2: Convert to fraction form
    46,679.96/64,419.90 = 25,460.40/x
  3. Step 3: Cross multiply
    46,679.96x = 64,419.90 × 25,460.40
  4. Step 4: Simplify right side
    46,679.96x = 1,640,156,421.96
  5. Step 5: Solve for x
    x = 1,640,156,421.96/46,679.96
  6. Step 6: Final answer
    x = 35,136.20

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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.