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Finding the Fourth Proportional to 15,701.90, 23,516.40 and 15,337.40

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Solution

The fourth proportional to 15,701.90, 23,516.40 and 15,337.40 is: 22,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.90 : 23,516.40 = 15,337.40 : x
  2. Step 2: Convert to fraction form
    15,701.90/23,516.40 = 15,337.40/x
  3. Step 3: Cross multiply
    15,701.90x = 23,516.40 × 15,337.40
  4. Step 4: Simplify right side
    15,701.90x = 360,680,433.36
  5. Step 5: Solve for x
    x = 360,680,433.36/15,701.90
  6. Step 6: Final answer
    x = 22,970.50

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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.