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Finding the Fourth Proportional to 27,220,027.20, 40,830,040.80 and 27,031,070.40

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Solution

The fourth proportional to 27,220,027.20, 40,830,040.80 and 27,031,070.40 is: 40,546,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220,027.20 : 40,830,040.80 = 27,031,070.40 : x
  2. Step 2: Convert to fraction form
    27,220,027.20/40,830,040.80 = 27,031,070.40/x
  3. Step 3: Cross multiply
    27,220,027.20x = 40,830,040.80 × 27,031,070.40
  4. Step 4: Simplify right side
    27,220,027.20x = 1,103,679,707,299,672.12
  5. Step 5: Solve for x
    x = 1,103,679,707,299,672.12/27,220,027.20
  6. Step 6: Final answer
    x = 40,546,605.60

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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.