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Finding the Fourth Proportional to 8,943.51, 13,347.66 and 8,710.23

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Solution

The fourth proportional to 8,943.51, 13,347.66 and 8,710.23 is: 12,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.51 : 13,347.66 = 8,710.23 : x
  2. Step 2: Convert to fraction form
    8,943.51/13,347.66 = 8,710.23/x
  3. Step 3: Cross multiply
    8,943.51x = 13,347.66 × 8,710.23
  4. Step 4: Simplify right side
    8,943.51x = 116,261,188.56
  5. Step 5: Solve for x
    x = 116,261,188.56/8,943.51
  6. Step 6: Final answer
    x = 12,999.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.