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Finding the Fourth Proportional to 35,368.03, 53,052.71 and 28,315.30

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Solution

The fourth proportional to 35,368.03, 53,052.71 and 28,315.30 is: 42,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.03 : 53,052.71 = 28,315.30 : x
  2. Step 2: Convert to fraction form
    35,368.03/53,052.71 = 28,315.30/x
  3. Step 3: Cross multiply
    35,368.03x = 53,052.71 × 28,315.30
  4. Step 4: Simplify right side
    35,368.03x = 1,502,203,399.46
  5. Step 5: Solve for x
    x = 1,502,203,399.46/35,368.03
  6. Step 6: Final answer
    x = 42,473.48

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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.