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Finding the Fourth Proportional to 34,390.40, 51,590.40 and 14,668.80

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Solution

The fourth proportional to 34,390.40, 51,590.40 and 14,668.80 is: 22,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.40 : 51,590.40 = 14,668.80 : x
  2. Step 2: Convert to fraction form
    34,390.40/51,590.40 = 14,668.80/x
  3. Step 3: Cross multiply
    34,390.40x = 51,590.40 × 14,668.80
  4. Step 4: Simplify right side
    34,390.40x = 756,769,259.52
  5. Step 5: Solve for x
    x = 756,769,259.52/34,390.40
  6. Step 6: Final answer
    x = 22,005.25

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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.