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Finding the Fourth Proportional to 8,970.55, 13,457.46 and 3,702.69

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Solution

The fourth proportional to 8,970.55, 13,457.46 and 3,702.69 is: 5,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.55 : 13,457.46 = 3,702.69 : x
  2. Step 2: Convert to fraction form
    8,970.55/13,457.46 = 3,702.69/x
  3. Step 3: Cross multiply
    8,970.55x = 13,457.46 × 3,702.69
  4. Step 4: Simplify right side
    8,970.55x = 49,828,802.57
  5. Step 5: Solve for x
    x = 49,828,802.57/8,970.55
  6. Step 6: Final answer
    x = 5,554.71

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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.