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Finding the Fourth Proportional to 4,670.48, 7,005.72 and 4,436.90

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Solution

The fourth proportional to 4,670.48, 7,005.72 and 4,436.90 is: 6,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.48 : 7,005.72 = 4,436.90 : x
  2. Step 2: Convert to fraction form
    4,670.48/7,005.72 = 4,436.90/x
  3. Step 3: Cross multiply
    4,670.48x = 7,005.72 × 4,436.90
  4. Step 4: Simplify right side
    4,670.48x = 31,083,679.07
  5. Step 5: Solve for x
    x = 31,083,679.07/4,670.48
  6. Step 6: Final answer
    x = 6,655.35

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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.