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Finding the Fourth Proportional to 36,710.51, 55,061.06 and 11,748.47

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Solution

The fourth proportional to 36,710.51, 55,061.06 and 11,748.47 is: 17,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,710.51 : 55,061.06 = 11,748.47 : x
  2. Step 2: Convert to fraction form
    36,710.51/55,061.06 = 11,748.47/x
  3. Step 3: Cross multiply
    36,710.51x = 55,061.06 × 11,748.47
  4. Step 4: Simplify right side
    36,710.51x = 646,882,877.53
  5. Step 5: Solve for x
    x = 646,882,877.53/36,710.51
  6. Step 6: Final answer
    x = 17,621.19

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1.5x scale

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.