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Finding the Fourth Proportional to 45,646.70, 68,470.02 and 17,189.01

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Solution

The fourth proportional to 45,646.70, 68,470.02 and 17,189.01 is: 25,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,646.70 : 68,470.02 = 17,189.01 : x
  2. Step 2: Convert to fraction form
    45,646.70/68,470.02 = 17,189.01/x
  3. Step 3: Cross multiply
    45,646.70x = 68,470.02 × 17,189.01
  4. Step 4: Simplify right side
    45,646.70x = 1,176,931,858.48
  5. Step 5: Solve for x
    x = 1,176,931,858.48/45,646.70
  6. Step 6: Final answer
    x = 25,783.51

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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.