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Finding the Fourth Proportional to 29,783.52, 44,643.72 and 13,975.20

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Solution

The fourth proportional to 29,783.52, 44,643.72 and 13,975.20 is: 20,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,783.52 : 44,643.72 = 13,975.20 : x
  2. Step 2: Convert to fraction form
    29,783.52/44,643.72 = 13,975.20/x
  3. Step 3: Cross multiply
    29,783.52x = 44,643.72 × 13,975.20
  4. Step 4: Simplify right side
    29,783.52x = 623,904,915.74
  5. Step 5: Solve for x
    x = 623,904,915.74/29,783.52
  6. Step 6: Final answer
    x = 20,947.99

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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.