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Finding the Fourth Proportional to 32,762.63, 45,209.30 and 19,153.87

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Solution

The fourth proportional to 32,762.63, 45,209.30 and 19,153.87 is: 26,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,762.63 : 45,209.30 = 19,153.87 : x
  2. Step 2: Convert to fraction form
    32,762.63/45,209.30 = 19,153.87/x
  3. Step 3: Cross multiply
    32,762.63x = 45,209.30 × 19,153.87
  4. Step 4: Simplify right side
    32,762.63x = 865,932,846.20
  5. Step 5: Solve for x
    x = 865,932,846.20/32,762.63
  6. Step 6: Final answer
    x = 26,430.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.