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Finding the Fourth Proportional to 19,062.08, 28,592.08 and 5,210.08

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Solution

The fourth proportional to 19,062.08, 28,592.08 and 5,210.08 is: 7,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.08 : 28,592.08 = 5,210.08 : x
  2. Step 2: Convert to fraction form
    19,062.08/28,592.08 = 5,210.08/x
  3. Step 3: Cross multiply
    19,062.08x = 28,592.08 × 5,210.08
  4. Step 4: Simplify right side
    19,062.08x = 148,967,024.17
  5. Step 5: Solve for x
    x = 148,967,024.17/19,062.08
  6. Step 6: Final answer
    x = 7,814.84

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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.