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Finding the Fourth Proportional to 7,232.42, 9,985.10 and 4,718.89

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Solution

The fourth proportional to 7,232.42, 9,985.10 and 4,718.89 is: 6,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.42 : 9,985.10 = 4,718.89 : x
  2. Step 2: Convert to fraction form
    7,232.42/9,985.10 = 4,718.89/x
  3. Step 3: Cross multiply
    7,232.42x = 9,985.10 × 4,718.89
  4. Step 4: Simplify right side
    7,232.42x = 47,118,603.97
  5. Step 5: Solve for x
    x = 47,118,603.97/7,232.42
  6. Step 6: Final answer
    x = 6,514.91

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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.