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Finding the Fourth Proportional to 7,017.91, 10,526.90 and 2,088.05

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Solution

The fourth proportional to 7,017.91, 10,526.90 and 2,088.05 is: 3,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.91 : 10,526.90 = 2,088.05 : x
  2. Step 2: Convert to fraction form
    7,017.91/10,526.90 = 2,088.05/x
  3. Step 3: Cross multiply
    7,017.91x = 10,526.90 × 2,088.05
  4. Step 4: Simplify right side
    7,017.91x = 21,980,630.47
  5. Step 5: Solve for x
    x = 21,980,630.47/7,017.91
  6. Step 6: Final answer
    x = 3,132.08

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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.