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Finding the Fourth Proportional to 7,153.44, 9,862.62 and 4,631.10

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Solution

The fourth proportional to 7,153.44, 9,862.62 and 4,631.10 is: 6,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.44 : 9,862.62 = 4,631.10 : x
  2. Step 2: Convert to fraction form
    7,153.44/9,862.62 = 4,631.10/x
  3. Step 3: Cross multiply
    7,153.44x = 9,862.62 × 4,631.10
  4. Step 4: Simplify right side
    7,153.44x = 45,674,779.48
  5. Step 5: Solve for x
    x = 45,674,779.48/7,153.44
  6. Step 6: Final answer
    x = 6,385.01

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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.