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Finding the Fourth Proportional to 15,603.60, 23,347.88 and 9,367.40

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Solution

The fourth proportional to 15,603.60, 23,347.88 and 9,367.40 is: 14,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.60 : 23,347.88 = 9,367.40 : x
  2. Step 2: Convert to fraction form
    15,603.60/23,347.88 = 9,367.40/x
  3. Step 3: Cross multiply
    15,603.60x = 23,347.88 × 9,367.40
  4. Step 4: Simplify right side
    15,603.60x = 218,708,931.11
  5. Step 5: Solve for x
    x = 218,708,931.11/15,603.60
  6. Step 6: Final answer
    x = 14,016.57

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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.