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Finding the Fourth Proportional to 12,798.94, 19,195.53 and 4,590.94

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Solution

The fourth proportional to 12,798.94, 19,195.53 and 4,590.94 is: 6,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.94 : 19,195.53 = 4,590.94 : x
  2. Step 2: Convert to fraction form
    12,798.94/19,195.53 = 4,590.94/x
  3. Step 3: Cross multiply
    12,798.94x = 19,195.53 × 4,590.94
  4. Step 4: Simplify right side
    12,798.94x = 88,125,526.50
  5. Step 5: Solve for x
    x = 88,125,526.50/12,798.94
  6. Step 6: Final answer
    x = 6,885.38

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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.