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Finding the Fourth Proportional to 35,870.56, 53,807.74 and 10,908.68

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Solution

The fourth proportional to 35,870.56, 53,807.74 and 10,908.68 is: 16,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,870.56 : 53,807.74 = 10,908.68 : x
  2. Step 2: Convert to fraction form
    35,870.56/53,807.74 = 10,908.68/x
  3. Step 3: Cross multiply
    35,870.56x = 53,807.74 × 10,908.68
  4. Step 4: Simplify right side
    35,870.56x = 586,971,417.18
  5. Step 5: Solve for x
    x = 586,971,417.18/35,870.56
  6. Step 6: Final answer
    x = 16,363.60

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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.