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Finding the Fourth Proportional to 16,854.60, 25,281.90 and 9,827.40

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Solution

The fourth proportional to 16,854.60, 25,281.90 and 9,827.40 is: 14,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.60 : 25,281.90 = 9,827.40 : x
  2. Step 2: Convert to fraction form
    16,854.60/25,281.90 = 9,827.40/x
  3. Step 3: Cross multiply
    16,854.60x = 25,281.90 × 9,827.40
  4. Step 4: Simplify right side
    16,854.60x = 248,455,344.06
  5. Step 5: Solve for x
    x = 248,455,344.06/16,854.60
  6. Step 6: Final answer
    x = 14,741.10

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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.