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Finding the Fourth Proportional to 34,643.04, 47,807.52 and 18,727.50

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Solution

The fourth proportional to 34,643.04, 47,807.52 and 18,727.50 is: 25,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.04 : 47,807.52 = 18,727.50 : x
  2. Step 2: Convert to fraction form
    34,643.04/47,807.52 = 18,727.50/x
  3. Step 3: Cross multiply
    34,643.04x = 47,807.52 × 18,727.50
  4. Step 4: Simplify right side
    34,643.04x = 895,315,194.49
  5. Step 5: Solve for x
    x = 895,315,194.49/34,643.04
  6. Step 6: Final answer
    x = 25,844.01

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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.