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Finding the Fourth Proportional to 35,530.59, 53,291.03 and 10,574.49

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Solution

The fourth proportional to 35,530.59, 53,291.03 and 10,574.49 is: 15,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.59 : 53,291.03 = 10,574.49 : x
  2. Step 2: Convert to fraction form
    35,530.59/53,291.03 = 10,574.49/x
  3. Step 3: Cross multiply
    35,530.59x = 53,291.03 × 10,574.49
  4. Step 4: Simplify right side
    35,530.59x = 563,525,410.95
  5. Step 5: Solve for x
    x = 563,525,410.95/35,530.59
  6. Step 6: Final answer
    x = 15,860.29

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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.