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Finding the Fourth Proportional to 17,116.70, 25,655.85 and 9,724.70

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Solution

The fourth proportional to 17,116.70, 25,655.85 and 9,724.70 is: 14,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.70 : 25,655.85 = 9,724.70 : x
  2. Step 2: Convert to fraction form
    17,116.70/25,655.85 = 9,724.70/x
  3. Step 3: Cross multiply
    17,116.70x = 25,655.85 × 9,724.70
  4. Step 4: Simplify right side
    17,116.70x = 249,495,444.50
  5. Step 5: Solve for x
    x = 249,495,444.50/17,116.70
  6. Step 6: Final answer
    x = 14,576.14

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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.