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Finding the Fourth Proportional to 9,970.24, 14,953.20 and 3,730

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Solution

The fourth proportional to 9,970.24, 14,953.20 and 3,730 is: 5,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.24 : 14,953.20 = 3,730 : x
  2. Step 2: Convert to fraction form
    9,970.24/14,953.20 = 3,730/x
  3. Step 3: Cross multiply
    9,970.24x = 14,953.20 × 3,730
  4. Step 4: Simplify right side
    9,970.24x = 55,775,436
  5. Step 5: Solve for x
    x = 55,775,436/9,970.24
  6. Step 6: Final answer
    x = 5,594.19

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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.