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Finding the Fourth Proportional to 35,509.86, 53,275.50 and 10,550.79

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Solution

The fourth proportional to 35,509.86, 53,275.50 and 10,550.79 is: 15,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.86 : 53,275.50 = 10,550.79 : x
  2. Step 2: Convert to fraction form
    35,509.86/53,275.50 = 10,550.79/x
  3. Step 3: Cross multiply
    35,509.86x = 53,275.50 × 10,550.79
  4. Step 4: Simplify right side
    35,509.86x = 562,098,612.65
  5. Step 5: Solve for x
    x = 562,098,612.65/35,509.86
  6. Step 6: Final answer
    x = 15,829.37

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Double scale
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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.