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Finding the Fourth Proportional to 16,931.51, 25,373.06 and 9,520.41

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Solution

The fourth proportional to 16,931.51, 25,373.06 and 9,520.41 is: 14,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.51 : 25,373.06 = 9,520.41 : x
  2. Step 2: Convert to fraction form
    16,931.51/25,373.06 = 9,520.41/x
  3. Step 3: Cross multiply
    16,931.51x = 25,373.06 × 9,520.41
  4. Step 4: Simplify right side
    16,931.51x = 241,562,070.96
  5. Step 5: Solve for x
    x = 241,562,070.96/16,931.51
  6. Step 6: Final answer
    x = 14,267.01

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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.