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Finding the Fourth Proportional to 52,904.40, 73,009.80 and 29,032.08

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Solution

The fourth proportional to 52,904.40, 73,009.80 and 29,032.08 is: 40,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,904.40 : 73,009.80 = 29,032.08 : x
  2. Step 2: Convert to fraction form
    52,904.40/73,009.80 = 29,032.08/x
  3. Step 3: Cross multiply
    52,904.40x = 73,009.80 × 29,032.08
  4. Step 4: Simplify right side
    52,904.40x = 2,119,626,354.38
  5. Step 5: Solve for x
    x = 2,119,626,354.38/52,904.40
  6. Step 6: Final answer
    x = 40,065.22

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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.