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Finding the Fourth Proportional to 7,572.66, 11,355.80 and 4,458.92

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Solution

The fourth proportional to 7,572.66, 11,355.80 and 4,458.92 is: 6,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.66 : 11,355.80 = 4,458.92 : x
  2. Step 2: Convert to fraction form
    7,572.66/11,355.80 = 4,458.92/x
  3. Step 3: Cross multiply
    7,572.66x = 11,355.80 × 4,458.92
  4. Step 4: Simplify right side
    7,572.66x = 50,634,603.74
  5. Step 5: Solve for x
    x = 50,634,603.74/7,572.66
  6. Step 6: Final answer
    x = 6,686.50

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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.