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Finding the Fourth Proportional to 32,116.80, 45,009.60 and 32,116.80

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Solution

The fourth proportional to 32,116.80, 45,009.60 and 32,116.80 is: 45,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,116.80 : 45,009.60 = 32,116.80 : x
  2. Step 2: Convert to fraction form
    32,116.80/45,009.60 = 32,116.80/x
  3. Step 3: Cross multiply
    32,116.80x = 45,009.60 × 32,116.80
  4. Step 4: Simplify right side
    32,116.80x = 1,445,564,321.28
  5. Step 5: Solve for x
    x = 1,445,564,321.28/32,116.80
  6. Step 6: Final answer
    x = 45,009.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.