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Finding the Fourth Proportional to 73,950.30, 110,925.45 and 21,365.10

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Solution

The fourth proportional to 73,950.30, 110,925.45 and 21,365.10 is: 32,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,950.30 : 110,925.45 = 21,365.10 : x
  2. Step 2: Convert to fraction form
    73,950.30/110,925.45 = 21,365.10/x
  3. Step 3: Cross multiply
    73,950.30x = 110,925.45 × 21,365.10
  4. Step 4: Simplify right side
    73,950.30x = 2,369,933,331.80
  5. Step 5: Solve for x
    x = 2,369,933,331.80/73,950.30
  6. Step 6: Final answer
    x = 32,047.65

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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.