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Finding the Fourth Proportional to 5,061.87, 6,985.04 and 2,937.47

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Solution

The fourth proportional to 5,061.87, 6,985.04 and 2,937.47 is: 4,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.87 : 6,985.04 = 2,937.47 : x
  2. Step 2: Convert to fraction form
    5,061.87/6,985.04 = 2,937.47/x
  3. Step 3: Cross multiply
    5,061.87x = 6,985.04 × 2,937.47
  4. Step 4: Simplify right side
    5,061.87x = 20,518,345.45
  5. Step 5: Solve for x
    x = 20,518,345.45/5,061.87
  6. Step 6: Final answer
    x = 4,053.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.