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Finding the Fourth Proportional to 35,373.42, 53,060.16 and 9,078.18

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Solution

The fourth proportional to 35,373.42, 53,060.16 and 9,078.18 is: 13,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.42 : 53,060.16 = 9,078.18 : x
  2. Step 2: Convert to fraction form
    35,373.42/53,060.16 = 9,078.18/x
  3. Step 3: Cross multiply
    35,373.42x = 53,060.16 × 9,078.18
  4. Step 4: Simplify right side
    35,373.42x = 481,689,683.31
  5. Step 5: Solve for x
    x = 481,689,683.31/35,373.42
  6. Step 6: Final answer
    x = 13,617.28

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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.