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Finding the Fourth Proportional to 32,989.60, 45,525.54 and 18,841.60

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Solution

The fourth proportional to 32,989.60, 45,525.54 and 18,841.60 is: 26,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.60 : 45,525.54 = 18,841.60 : x
  2. Step 2: Convert to fraction form
    32,989.60/45,525.54 = 18,841.60/x
  3. Step 3: Cross multiply
    32,989.60x = 45,525.54 × 18,841.60
  4. Step 4: Simplify right side
    32,989.60x = 857,774,014.46
  5. Step 5: Solve for x
    x = 857,774,014.46/32,989.60
  6. Step 6: Final answer
    x = 26,001.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.