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Finding the Fourth Proportional to 33,915.76, 46,803.60 and 19,011.76

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Solution

The fourth proportional to 33,915.76, 46,803.60 and 19,011.76 is: 26,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.76 : 46,803.60 = 19,011.76 : x
  2. Step 2: Convert to fraction form
    33,915.76/46,803.60 = 19,011.76/x
  3. Step 3: Cross multiply
    33,915.76x = 46,803.60 × 19,011.76
  4. Step 4: Simplify right side
    33,915.76x = 889,818,810.34
  5. Step 5: Solve for x
    x = 889,818,810.34/33,915.76
  6. Step 6: Final answer
    x = 26,236.15

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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.