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Finding the Fourth Proportional to 35,573.52, 53,360.28 and 12,200.16

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Solution

The fourth proportional to 35,573.52, 53,360.28 and 12,200.16 is: 18,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,573.52 : 53,360.28 = 12,200.16 : x
  2. Step 2: Convert to fraction form
    35,573.52/53,360.28 = 12,200.16/x
  3. Step 3: Cross multiply
    35,573.52x = 53,360.28 × 12,200.16
  4. Step 4: Simplify right side
    35,573.52x = 651,003,953.64
  5. Step 5: Solve for x
    x = 651,003,953.64/35,573.52
  6. Step 6: Final answer
    x = 18,300.24

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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.