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Finding the Fourth Proportional to 14,878.48, 22,294 and 7,858.24

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Solution

The fourth proportional to 14,878.48, 22,294 and 7,858.24 is: 11,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.48 : 22,294 = 7,858.24 : x
  2. Step 2: Convert to fraction form
    14,878.48/22,294 = 7,858.24/x
  3. Step 3: Cross multiply
    14,878.48x = 22,294 × 7,858.24
  4. Step 4: Simplify right side
    14,878.48x = 175,191,602.56
  5. Step 5: Solve for x
    x = 175,191,602.56/14,878.48
  6. Step 6: Final answer
    x = 11,774.83

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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.