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Finding the Fourth Proportional to 1,475.66, 2,036.13 and 885.98

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Solution

The fourth proportional to 1,475.66, 2,036.13 and 885.98 is: 1,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.66 : 2,036.13 = 885.98 : x
  2. Step 2: Convert to fraction form
    1,475.66/2,036.13 = 885.98/x
  3. Step 3: Cross multiply
    1,475.66x = 2,036.13 × 885.98
  4. Step 4: Simplify right side
    1,475.66x = 1,803,970.46
  5. Step 5: Solve for x
    x = 1,803,970.46/1,475.66
  6. Step 6: Final answer
    x = 1,222.48

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