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Finding the Fourth Proportional to 35,688.72, 53,530.92 and 9,392.88

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Solution

The fourth proportional to 35,688.72, 53,530.92 and 9,392.88 is: 14,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.72 : 53,530.92 = 9,392.88 : x
  2. Step 2: Convert to fraction form
    35,688.72/53,530.92 = 9,392.88/x
  3. Step 3: Cross multiply
    35,688.72x = 53,530.92 × 9,392.88
  4. Step 4: Simplify right side
    35,688.72x = 502,809,507.85
  5. Step 5: Solve for x
    x = 502,809,507.85/35,688.72
  6. Step 6: Final answer
    x = 14,088.75

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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.