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Finding the Fourth Proportional to 40,272,025.45, 60,408,038.18 and 40,272,025.45

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Solution

The fourth proportional to 40,272,025.45, 60,408,038.18 and 40,272,025.45 is: 60,408,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272,025.45 : 60,408,038.18 = 40,272,025.45 : x
  2. Step 2: Convert to fraction form
    40,272,025.45/60,408,038.18 = 40,272,025.45/x
  3. Step 3: Cross multiply
    40,272,025.45x = 60,408,038.18 × 40,272,025.45
  4. Step 4: Simplify right side
    40,272,025.45x = 2,432,754,050,969,532
  5. Step 5: Solve for x
    x = 2,432,754,050,969,532/40,272,025.45
  6. Step 6: Final answer
    x = 60,408,038.18

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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.