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Finding the Fourth Proportional to 17,465.80, 26,200.30 and 7,075.40

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Solution

The fourth proportional to 17,465.80, 26,200.30 and 7,075.40 is: 10,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,465.80 : 26,200.30 = 7,075.40 : x
  2. Step 2: Convert to fraction form
    17,465.80/26,200.30 = 7,075.40/x
  3. Step 3: Cross multiply
    17,465.80x = 26,200.30 × 7,075.40
  4. Step 4: Simplify right side
    17,465.80x = 185,377,602.62
  5. Step 5: Solve for x
    x = 185,377,602.62/17,465.80
  6. Step 6: Final answer
    x = 10,613.75

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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.