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Finding the Fourth Proportional to 10,527.51, 15,800.52 and 4,287.51

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Solution

The fourth proportional to 10,527.51, 15,800.52 and 4,287.51 is: 6,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.51 : 15,800.52 = 4,287.51 : x
  2. Step 2: Convert to fraction form
    10,527.51/15,800.52 = 4,287.51/x
  3. Step 3: Cross multiply
    10,527.51x = 15,800.52 × 4,287.51
  4. Step 4: Simplify right side
    10,527.51x = 67,744,887.51
  5. Step 5: Solve for x
    x = 67,744,887.51/10,527.51
  6. Step 6: Final answer
    x = 6,435.03

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1.5x scale

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.