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Finding the Fourth Proportional to 47,483.60, 65,530.74 and 26,262.40

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Solution

The fourth proportional to 47,483.60, 65,530.74 and 26,262.40 is: 36,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,483.60 : 65,530.74 = 26,262.40 : x
  2. Step 2: Convert to fraction form
    47,483.60/65,530.74 = 26,262.40/x
  3. Step 3: Cross multiply
    47,483.60x = 65,530.74 × 26,262.40
  4. Step 4: Simplify right side
    47,483.60x = 1,720,994,506.18
  5. Step 5: Solve for x
    x = 1,720,994,506.18/47,483.60
  6. Step 6: Final answer
    x = 36,243.98

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1.5x scale

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.