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Finding the Fourth Proportional to 32,478.03, 48,709.08 and 12,483.45

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Solution

The fourth proportional to 32,478.03, 48,709.08 and 12,483.45 is: 18,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,478.03 : 48,709.08 = 12,483.45 : x
  2. Step 2: Convert to fraction form
    32,478.03/48,709.08 = 12,483.45/x
  3. Step 3: Cross multiply
    32,478.03x = 48,709.08 × 12,483.45
  4. Step 4: Simplify right side
    32,478.03x = 608,057,364.73
  5. Step 5: Solve for x
    x = 608,057,364.73/32,478.03
  6. Step 6: Final answer
    x = 18,722.11

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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.