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Finding the Fourth Proportional to 36,808,209.84, 50,793,018.84 and 20,287,425.28

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Solution

The fourth proportional to 36,808,209.84, 50,793,018.84 and 20,287,425.28 is: 27,995,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808,209.84 : 50,793,018.84 = 20,287,425.28 : x
  2. Step 2: Convert to fraction form
    36,808,209.84/50,793,018.84 = 20,287,425.28/x
  3. Step 3: Cross multiply
    36,808,209.84x = 50,793,018.84 × 20,287,425.28
  4. Step 4: Simplify right side
    36,808,209.84x = 1,030,459,574,462,132.38
  5. Step 5: Solve for x
    x = 1,030,459,574,462,132.38/36,808,209.84
  6. Step 6: Final answer
    x = 27,995,373.29

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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.