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Finding the Fourth Proportional to 8,587.53, 11,849.81 and 4,810.17

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Solution

The fourth proportional to 8,587.53, 11,849.81 and 4,810.17 is: 6,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.53 : 11,849.81 = 4,810.17 : x
  2. Step 2: Convert to fraction form
    8,587.53/11,849.81 = 4,810.17/x
  3. Step 3: Cross multiply
    8,587.53x = 11,849.81 × 4,810.17
  4. Step 4: Simplify right side
    8,587.53x = 56,999,600.57
  5. Step 5: Solve for x
    x = 56,999,600.57/8,587.53
  6. Step 6: Final answer
    x = 6,637.48

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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.