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Finding the Fourth Proportional to 8,565.04, 11,820.76 and 4,839.04

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Solution

The fourth proportional to 8,565.04, 11,820.76 and 4,839.04 is: 6,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.04 : 11,820.76 = 4,839.04 : x
  2. Step 2: Convert to fraction form
    8,565.04/11,820.76 = 4,839.04/x
  3. Step 3: Cross multiply
    8,565.04x = 11,820.76 × 4,839.04
  4. Step 4: Simplify right side
    8,565.04x = 57,201,130.47
  5. Step 5: Solve for x
    x = 57,201,130.47/8,565.04
  6. Step 6: Final answer
    x = 6,678.44

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Half scale
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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.