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Finding the Fourth Proportional to 27,133.30, 40,693.80 and 9,603.13

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Solution

The fourth proportional to 27,133.30, 40,693.80 and 9,603.13 is: 14,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.30 : 40,693.80 = 9,603.13 : x
  2. Step 2: Convert to fraction form
    27,133.30/40,693.80 = 9,603.13/x
  3. Step 3: Cross multiply
    27,133.30x = 40,693.80 × 9,603.13
  4. Step 4: Simplify right side
    27,133.30x = 390,787,851.59
  5. Step 5: Solve for x
    x = 390,787,851.59/27,133.30
  6. Step 6: Final answer
    x = 14,402.52

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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.