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Finding the Fourth Proportional to 35,342.72, 53,013.54 and 9,047.24

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Solution

The fourth proportional to 35,342.72, 53,013.54 and 9,047.24 is: 13,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.72 : 53,013.54 = 9,047.24 : x
  2. Step 2: Convert to fraction form
    35,342.72/53,013.54 = 9,047.24/x
  3. Step 3: Cross multiply
    35,342.72x = 53,013.54 × 9,047.24
  4. Step 4: Simplify right side
    35,342.72x = 479,626,219.63
  5. Step 5: Solve for x
    x = 479,626,219.63/35,342.72
  6. Step 6: Final answer
    x = 13,570.72

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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.