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Finding the Fourth Proportional to 13,125.52, 19,683.52 and 4,803.08

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Solution

The fourth proportional to 13,125.52, 19,683.52 and 4,803.08 is: 7,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.52 : 19,683.52 = 4,803.08 : x
  2. Step 2: Convert to fraction form
    13,125.52/19,683.52 = 4,803.08/x
  3. Step 3: Cross multiply
    13,125.52x = 19,683.52 × 4,803.08
  4. Step 4: Simplify right side
    13,125.52x = 94,541,521.24
  5. Step 5: Solve for x
    x = 94,541,521.24/13,125.52
  6. Step 6: Final answer
    x = 7,202.88

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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.