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Finding the Fourth Proportional to 15,609.41, 23,411.81 and 5,746.40

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Solution

The fourth proportional to 15,609.41, 23,411.81 and 5,746.40 is: 8,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.41 : 23,411.81 = 5,746.40 : x
  2. Step 2: Convert to fraction form
    15,609.41/23,411.81 = 5,746.40/x
  3. Step 3: Cross multiply
    15,609.41x = 23,411.81 × 5,746.40
  4. Step 4: Simplify right side
    15,609.41x = 134,533,479.19
  5. Step 5: Solve for x
    x = 134,533,479.19/15,609.41
  6. Step 6: Final answer
    x = 8,618.74

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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.