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Finding the Fourth Proportional to 15,374.88, 23,024.52 and 9,811.80

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Solution

The fourth proportional to 15,374.88, 23,024.52 and 9,811.80 is: 14,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.88 : 23,024.52 = 9,811.80 : x
  2. Step 2: Convert to fraction form
    15,374.88/23,024.52 = 9,811.80/x
  3. Step 3: Cross multiply
    15,374.88x = 23,024.52 × 9,811.80
  4. Step 4: Simplify right side
    15,374.88x = 225,911,985.34
  5. Step 5: Solve for x
    x = 225,911,985.34/15,374.88
  6. Step 6: Final answer
    x = 14,693.58

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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.