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Finding the Fourth Proportional to 16,508.60, 24,762.90 and 9,931.40

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Solution

The fourth proportional to 16,508.60, 24,762.90 and 9,931.40 is: 14,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.60 : 24,762.90 = 9,931.40 : x
  2. Step 2: Convert to fraction form
    16,508.60/24,762.90 = 9,931.40/x
  3. Step 3: Cross multiply
    16,508.60x = 24,762.90 × 9,931.40
  4. Step 4: Simplify right side
    16,508.60x = 245,930,265.06
  5. Step 5: Solve for x
    x = 245,930,265.06/16,508.60
  6. Step 6: Final answer
    x = 14,897.10

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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.