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Finding the Fourth Proportional to 5,341.68, 8,001.64 and 4,358

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Solution

The fourth proportional to 5,341.68, 8,001.64 and 4,358 is: 6,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.68 : 8,001.64 = 4,358 : x
  2. Step 2: Convert to fraction form
    5,341.68/8,001.64 = 4,358/x
  3. Step 3: Cross multiply
    5,341.68x = 8,001.64 × 4,358
  4. Step 4: Simplify right side
    5,341.68x = 34,871,147.12
  5. Step 5: Solve for x
    x = 34,871,147.12/5,341.68
  6. Step 6: Final answer
    x = 6,528.12

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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.