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Finding the Fourth Proportional to 1,365.48, 1,885.14 and 901.08

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Solution

The fourth proportional to 1,365.48, 1,885.14 and 901.08 is: 1,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.48 : 1,885.14 = 901.08 : x
  2. Step 2: Convert to fraction form
    1,365.48/1,885.14 = 901.08/x
  3. Step 3: Cross multiply
    1,365.48x = 1,885.14 × 901.08
  4. Step 4: Simplify right side
    1,365.48x = 1,698,661.95
  5. Step 5: Solve for x
    x = 1,698,661.95/1,365.48
  6. Step 6: Final answer
    x = 1,244.00

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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.