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Finding the Fourth Proportional to 79,002.48, 118,510.02 and 26,412.24

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Solution

The fourth proportional to 79,002.48, 118,510.02 and 26,412.24 is: 39,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,002.48 : 118,510.02 = 26,412.24 : x
  2. Step 2: Convert to fraction form
    79,002.48/118,510.02 = 26,412.24/x
  3. Step 3: Cross multiply
    79,002.48x = 118,510.02 × 26,412.24
  4. Step 4: Simplify right side
    79,002.48x = 3,130,115,090.64
  5. Step 5: Solve for x
    x = 3,130,115,090.64/79,002.48
  6. Step 6: Final answer
    x = 39,620.47

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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.