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Finding the Fourth Proportional to 16,835.24, 25,220.51 and 9,417.21

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Solution

The fourth proportional to 16,835.24, 25,220.51 and 9,417.21 is: 14,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.24 : 25,220.51 = 9,417.21 : x
  2. Step 2: Convert to fraction form
    16,835.24/25,220.51 = 9,417.21/x
  3. Step 3: Cross multiply
    16,835.24x = 25,220.51 × 9,417.21
  4. Step 4: Simplify right side
    16,835.24x = 237,506,927.47
  5. Step 5: Solve for x
    x = 237,506,927.47/16,835.24
  6. Step 6: Final answer
    x = 14,107.72

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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.