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Finding the Fourth Proportional to 32,670.40, 45,088.50 and 19,245.88

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Solution

The fourth proportional to 32,670.40, 45,088.50 and 19,245.88 is: 26,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.40 : 45,088.50 = 19,245.88 : x
  2. Step 2: Convert to fraction form
    32,670.40/45,088.50 = 19,245.88/x
  3. Step 3: Cross multiply
    32,670.40x = 45,088.50 × 19,245.88
  4. Step 4: Simplify right side
    32,670.40x = 867,767,860.38
  5. Step 5: Solve for x
    x = 867,767,860.38/32,670.40
  6. Step 6: Final answer
    x = 26,561.29

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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.