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Finding the Fourth Proportional to 15,779.93, 23,701.43 and 9,867.34

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Solution

The fourth proportional to 15,779.93, 23,701.43 and 9,867.34 is: 14,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.93 : 23,701.43 = 9,867.34 : x
  2. Step 2: Convert to fraction form
    15,779.93/23,701.43 = 9,867.34/x
  3. Step 3: Cross multiply
    15,779.93x = 23,701.43 × 9,867.34
  4. Step 4: Simplify right side
    15,779.93x = 233,869,959.71
  5. Step 5: Solve for x
    x = 233,869,959.71/15,779.93
  6. Step 6: Final answer
    x = 14,820.72

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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.