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Finding the Fourth Proportional to 19,000.35, 26,666.10 and 19,000.35

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Solution

The fourth proportional to 19,000.35, 26,666.10 and 19,000.35 is: 26,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.35 : 26,666.10 = 19,000.35 : x
  2. Step 2: Convert to fraction form
    19,000.35/26,666.10 = 19,000.35/x
  3. Step 3: Cross multiply
    19,000.35x = 26,666.10 × 19,000.35
  4. Step 4: Simplify right side
    19,000.35x = 506,665,233.14
  5. Step 5: Solve for x
    x = 506,665,233.14/19,000.35
  6. Step 6: Final answer
    x = 26,666.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.