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Finding the Fourth Proportional to 64,364.75, 96,547.26 and 27,428.75

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Solution

The fourth proportional to 64,364.75, 96,547.26 and 27,428.75 is: 41,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.75 : 96,547.26 = 27,428.75 : x
  2. Step 2: Convert to fraction form
    64,364.75/96,547.26 = 27,428.75/x
  3. Step 3: Cross multiply
    64,364.75x = 96,547.26 × 27,428.75
  4. Step 4: Simplify right side
    64,364.75x = 2,648,170,657.73
  5. Step 5: Solve for x
    x = 2,648,170,657.73/64,364.75
  6. Step 6: Final answer
    x = 41,143.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.