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Finding the Fourth Proportional to 34,710.80, 47,899.88 and 19,604.08

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Solution

The fourth proportional to 34,710.80, 47,899.88 and 19,604.08 is: 27,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,710.80 : 47,899.88 = 19,604.08 : x
  2. Step 2: Convert to fraction form
    34,710.80/47,899.88 = 19,604.08/x
  3. Step 3: Cross multiply
    34,710.80x = 47,899.88 × 19,604.08
  4. Step 4: Simplify right side
    34,710.80x = 939,033,079.51
  5. Step 5: Solve for x
    x = 939,033,079.51/34,710.80
  6. Step 6: Final answer
    x = 27,053.05

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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.