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Finding the Fourth Proportional to 9,927.54, 14,783.36 and 9,818.46

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Solution

The fourth proportional to 9,927.54, 14,783.36 and 9,818.46 is: 14,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.54 : 14,783.36 = 9,818.46 : x
  2. Step 2: Convert to fraction form
    9,927.54/14,783.36 = 9,818.46/x
  3. Step 3: Cross multiply
    9,927.54x = 14,783.36 × 9,818.46
  4. Step 4: Simplify right side
    9,927.54x = 145,149,779.73
  5. Step 5: Solve for x
    x = 145,149,779.73/9,927.54
  6. Step 6: Final answer
    x = 14,620.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.