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Finding the Fourth Proportional to 14,349.48, 21,528.48 and 6,858.65

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Solution

The fourth proportional to 14,349.48, 21,528.48 and 6,858.65 is: 10,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.48 : 21,528.48 = 6,858.65 : x
  2. Step 2: Convert to fraction form
    14,349.48/21,528.48 = 6,858.65/x
  3. Step 3: Cross multiply
    14,349.48x = 21,528.48 × 6,858.65
  4. Step 4: Simplify right side
    14,349.48x = 147,656,167.42
  5. Step 5: Solve for x
    x = 147,656,167.42/14,349.48
  6. Step 6: Final answer
    x = 10,290.00

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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.