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Finding the Fourth Proportional to 19,032.59, 28,557.05 and 7,354.01

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Solution

The fourth proportional to 19,032.59, 28,557.05 and 7,354.01 is: 11,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.59 : 28,557.05 = 7,354.01 : x
  2. Step 2: Convert to fraction form
    19,032.59/28,557.05 = 7,354.01/x
  3. Step 3: Cross multiply
    19,032.59x = 28,557.05 × 7,354.01
  4. Step 4: Simplify right side
    19,032.59x = 210,008,651.72
  5. Step 5: Solve for x
    x = 210,008,651.72/19,032.59
  6. Step 6: Final answer
    x = 11,034.16

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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.