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Finding the Fourth Proportional to 19,039.04, 28,541.28 and 7,349.12

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Solution

The fourth proportional to 19,039.04, 28,541.28 and 7,349.12 is: 11,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.04 : 28,541.28 = 7,349.12 : x
  2. Step 2: Convert to fraction form
    19,039.04/28,541.28 = 7,349.12/x
  3. Step 3: Cross multiply
    19,039.04x = 28,541.28 × 7,349.12
  4. Step 4: Simplify right side
    19,039.04x = 209,753,291.67
  5. Step 5: Solve for x
    x = 209,753,291.67/19,039.04
  6. Step 6: Final answer
    x = 11,017.01

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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.