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Finding the Fourth Proportional to 39,598.90, 59,392.04 and 12,944.70

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Solution

The fourth proportional to 39,598.90, 59,392.04 and 12,944.70 is: 19,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.90 : 59,392.04 = 12,944.70 : x
  2. Step 2: Convert to fraction form
    39,598.90/59,392.04 = 12,944.70/x
  3. Step 3: Cross multiply
    39,598.90x = 59,392.04 × 12,944.70
  4. Step 4: Simplify right side
    39,598.90x = 768,812,075.46
  5. Step 5: Solve for x
    x = 768,812,075.46/39,598.90
  6. Step 6: Final answer
    x = 19,414.99

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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.