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Finding the Fourth Proportional to 19,047.60, 28,571.04 and 7,354.08

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Solution

The fourth proportional to 19,047.60, 28,571.04 and 7,354.08 is: 11,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.60 : 28,571.04 = 7,354.08 : x
  2. Step 2: Convert to fraction form
    19,047.60/28,571.04 = 7,354.08/x
  3. Step 3: Cross multiply
    19,047.60x = 28,571.04 × 7,354.08
  4. Step 4: Simplify right side
    19,047.60x = 210,113,713.84
  5. Step 5: Solve for x
    x = 210,113,713.84/19,047.60
  6. Step 6: Final answer
    x = 11,030.98

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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.