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Finding the Fourth Proportional to 70,618.33, 105,927.50 and 26,256.25

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Solution

The fourth proportional to 70,618.33, 105,927.50 and 26,256.25 is: 39,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618.33 : 105,927.50 = 26,256.25 : x
  2. Step 2: Convert to fraction form
    70,618.33/105,927.50 = 26,256.25/x
  3. Step 3: Cross multiply
    70,618.33x = 105,927.50 × 26,256.25
  4. Step 4: Simplify right side
    70,618.33x = 2,781,258,921.88
  5. Step 5: Solve for x
    x = 2,781,258,921.88/70,618.33
  6. Step 6: Final answer
    x = 39,384.38

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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.