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Finding the Fourth Proportional to 32,810.90, 45,274.95 and 18,468.95

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Solution

The fourth proportional to 32,810.90, 45,274.95 and 18,468.95 is: 25,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,810.90 : 45,274.95 = 18,468.95 : x
  2. Step 2: Convert to fraction form
    32,810.90/45,274.95 = 18,468.95/x
  3. Step 3: Cross multiply
    32,810.90x = 45,274.95 × 18,468.95
  4. Step 4: Simplify right side
    32,810.90x = 836,180,561.43
  5. Step 5: Solve for x
    x = 836,180,561.43/32,810.90
  6. Step 6: Final answer
    x = 25,484.84

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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.