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Finding the Fourth Proportional to 30,159.99, 45,261.87 and 17,037.99

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Solution

The fourth proportional to 30,159.99, 45,261.87 and 17,037.99 is: 25,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.99 : 45,261.87 = 17,037.99 : x
  2. Step 2: Convert to fraction form
    30,159.99/45,261.87 = 17,037.99/x
  3. Step 3: Cross multiply
    30,159.99x = 45,261.87 × 17,037.99
  4. Step 4: Simplify right side
    30,159.99x = 771,171,288.44
  5. Step 5: Solve for x
    x = 771,171,288.44/30,159.99
  6. Step 6: Final answer
    x = 25,569.35

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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.