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Finding the Fourth Proportional to 30,641.36, 45,927.58 and 15,606.30

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Solution

The fourth proportional to 30,641.36, 45,927.58 and 15,606.30 is: 23,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641.36 : 45,927.58 = 15,606.30 : x
  2. Step 2: Convert to fraction form
    30,641.36/45,927.58 = 15,606.30/x
  3. Step 3: Cross multiply
    30,641.36x = 45,927.58 × 15,606.30
  4. Step 4: Simplify right side
    30,641.36x = 716,759,591.75
  5. Step 5: Solve for x
    x = 716,759,591.75/30,641.36
  6. Step 6: Final answer
    x = 23,391.90

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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.