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Finding the Fourth Proportional to 17,125.80, 25,688.70 and 14,501.40

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Solution

The fourth proportional to 17,125.80, 25,688.70 and 14,501.40 is: 21,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.80 : 25,688.70 = 14,501.40 : x
  2. Step 2: Convert to fraction form
    17,125.80/25,688.70 = 14,501.40/x
  3. Step 3: Cross multiply
    17,125.80x = 25,688.70 × 14,501.40
  4. Step 4: Simplify right side
    17,125.80x = 372,522,114.18
  5. Step 5: Solve for x
    x = 372,522,114.18/17,125.80
  6. Step 6: Final answer
    x = 21,752.10

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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.