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Finding the Fourth Proportional to 32,448.80, 48,673.20 and 31,066.40

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Solution

The fourth proportional to 32,448.80, 48,673.20 and 31,066.40 is: 46,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,448.80 : 48,673.20 = 31,066.40 : x
  2. Step 2: Convert to fraction form
    32,448.80/48,673.20 = 31,066.40/x
  3. Step 3: Cross multiply
    32,448.80x = 48,673.20 × 31,066.40
  4. Step 4: Simplify right side
    32,448.80x = 1,512,101,100.48
  5. Step 5: Solve for x
    x = 1,512,101,100.48/32,448.80
  6. Step 6: Final answer
    x = 46,599.60

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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.