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Finding the Fourth Proportional to 10,588.68, 15,900.30 and 4,437

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Solution

The fourth proportional to 10,588.68, 15,900.30 and 4,437 is: 6,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.68 : 15,900.30 = 4,437 : x
  2. Step 2: Convert to fraction form
    10,588.68/15,900.30 = 4,437/x
  3. Step 3: Cross multiply
    10,588.68x = 15,900.30 × 4,437
  4. Step 4: Simplify right side
    10,588.68x = 70,549,631.10
  5. Step 5: Solve for x
    x = 70,549,631.10/10,588.68
  6. Step 6: Final answer
    x = 6,662.74

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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.