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Finding the Fourth Proportional to 46,500, 64,169.84 and 25,279.12

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Solution

The fourth proportional to 46,500, 64,169.84 and 25,279.12 is: 34,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,500 : 64,169.84 = 25,279.12 : x
  2. Step 2: Convert to fraction form
    46,500/64,169.84 = 25,279.12/x
  3. Step 3: Cross multiply
    46,500x = 64,169.84 × 25,279.12
  4. Step 4: Simplify right side
    46,500x = 1,622,157,085.74
  5. Step 5: Solve for x
    x = 1,622,157,085.74/46,500
  6. Step 6: Final answer
    x = 34,885.10

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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.