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Finding the Fourth Proportional to 16,582.64, 22,885.08 and 9,130.64

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Solution

The fourth proportional to 16,582.64, 22,885.08 and 9,130.64 is: 12,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,582.64 : 22,885.08 = 9,130.64 : x
  2. Step 2: Convert to fraction form
    16,582.64/22,885.08 = 9,130.64/x
  3. Step 3: Cross multiply
    16,582.64x = 22,885.08 × 9,130.64
  4. Step 4: Simplify right side
    16,582.64x = 208,955,426.85
  5. Step 5: Solve for x
    x = 208,955,426.85/16,582.64
  6. Step 6: Final answer
    x = 12,600.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.