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Finding the Fourth Proportional to 17,436.65, 24,062.40 and 9,478.40

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Solution

The fourth proportional to 17,436.65, 24,062.40 and 9,478.40 is: 13,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,436.65 : 24,062.40 = 9,478.40 : x
  2. Step 2: Convert to fraction form
    17,436.65/24,062.40 = 9,478.40/x
  3. Step 3: Cross multiply
    17,436.65x = 24,062.40 × 9,478.40
  4. Step 4: Simplify right side
    17,436.65x = 228,072,931.85
  5. Step 5: Solve for x
    x = 228,072,931.85/17,436.65
  6. Step 6: Final answer
    x = 13,080.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.