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Finding the Fourth Proportional to 35,628.16, 53,440.78 and 9,332.32

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Solution

The fourth proportional to 35,628.16, 53,440.78 and 9,332.32 is: 13,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,628.16 : 53,440.78 = 9,332.32 : x
  2. Step 2: Convert to fraction form
    35,628.16/53,440.78 = 9,332.32/x
  3. Step 3: Cross multiply
    35,628.16x = 53,440.78 × 9,332.32
  4. Step 4: Simplify right side
    35,628.16x = 498,726,460.01
  5. Step 5: Solve for x
    x = 498,726,460.01/35,628.16
  6. Step 6: Final answer
    x = 13,998.10

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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.