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Finding the Fourth Proportional to 47,774.80, 65,928.90 and 26,555.32

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Solution

The fourth proportional to 47,774.80, 65,928.90 and 26,555.32 is: 36,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,774.80 : 65,928.90 = 26,555.32 : x
  2. Step 2: Convert to fraction form
    47,774.80/65,928.90 = 26,555.32/x
  3. Step 3: Cross multiply
    47,774.80x = 65,928.90 × 26,555.32
  4. Step 4: Simplify right side
    47,774.80x = 1,750,763,036.75
  5. Step 5: Solve for x
    x = 1,750,763,036.75/47,774.80
  6. Step 6: Final answer
    x = 36,646.16

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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.