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Finding the Fourth Proportional to 32,130.70, 48,199.65 and 9,943.90

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Solution

The fourth proportional to 32,130.70, 48,199.65 and 9,943.90 is: 14,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.70 : 48,199.65 = 9,943.90 : x
  2. Step 2: Convert to fraction form
    32,130.70/48,199.65 = 9,943.90/x
  3. Step 3: Cross multiply
    32,130.70x = 48,199.65 × 9,943.90
  4. Step 4: Simplify right side
    32,130.70x = 479,292,499.64
  5. Step 5: Solve for x
    x = 479,292,499.64/32,130.70
  6. Step 6: Final answer
    x = 14,916.96

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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.