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Finding the Fourth Proportional to 53,303.67, 79,833.87 and 45,722.07

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Solution

The fourth proportional to 53,303.67, 79,833.87 and 45,722.07 is: 68,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303.67 : 79,833.87 = 45,722.07 : x
  2. Step 2: Convert to fraction form
    53,303.67/79,833.87 = 45,722.07/x
  3. Step 3: Cross multiply
    53,303.67x = 79,833.87 × 45,722.07
  4. Step 4: Simplify right side
    53,303.67x = 3,650,169,792.51
  5. Step 5: Solve for x
    x = 3,650,169,792.51/53,303.67
  6. Step 6: Final answer
    x = 68,478.77

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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.