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Finding the Fourth Proportional to 32,492.61, 48,711.51 and 20,012.13

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Solution

The fourth proportional to 32,492.61, 48,711.51 and 20,012.13 is: 30,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,492.61 : 48,711.51 = 20,012.13 : x
  2. Step 2: Convert to fraction form
    32,492.61/48,711.51 = 20,012.13/x
  3. Step 3: Cross multiply
    32,492.61x = 48,711.51 × 20,012.13
  4. Step 4: Simplify right side
    32,492.61x = 974,821,070.62
  5. Step 5: Solve for x
    x = 974,821,070.62/32,492.61
  6. Step 6: Final answer
    x = 30,001.32

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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.