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Finding the Fourth Proportional to 17,478.90, 24,123.03 and 9,927.60

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Solution

The fourth proportional to 17,478.90, 24,123.03 and 9,927.60 is: 13,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.90 : 24,123.03 = 9,927.60 : x
  2. Step 2: Convert to fraction form
    17,478.90/24,123.03 = 9,927.60/x
  3. Step 3: Cross multiply
    17,478.90x = 24,123.03 × 9,927.60
  4. Step 4: Simplify right side
    17,478.90x = 239,483,792.63
  5. Step 5: Solve for x
    x = 239,483,792.63/17,478.90
  6. Step 6: Final answer
    x = 13,701.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.