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Finding the Fourth Proportional to 29,421.80, 44,075.10 and 17,700.20

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Solution

The fourth proportional to 29,421.80, 44,075.10 and 17,700.20 is: 26,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.80 : 44,075.10 = 17,700.20 : x
  2. Step 2: Convert to fraction form
    29,421.80/44,075.10 = 17,700.20/x
  3. Step 3: Cross multiply
    29,421.80x = 44,075.10 × 17,700.20
  4. Step 4: Simplify right side
    29,421.80x = 780,138,085.02
  5. Step 5: Solve for x
    x = 780,138,085.02/29,421.80
  6. Step 6: Final answer
    x = 26,515.65

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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.