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Finding the Fourth Proportional to 15,766,378.20, 23,649,567.30 and 15,766,378.20

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Solution

The fourth proportional to 15,766,378.20, 23,649,567.30 and 15,766,378.20 is: 23,649,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,378.20 : 23,649,567.30 = 15,766,378.20 : x
  2. Step 2: Convert to fraction form
    15,766,378.20/23,649,567.30 = 15,766,378.20/x
  3. Step 3: Cross multiply
    15,766,378.20x = 23,649,567.30 × 15,766,378.20
  4. Step 4: Simplify right side
    15,766,378.20x = 372,868,022,318,152.88
  5. Step 5: Solve for x
    x = 372,868,022,318,152.88/15,766,378.20
  6. Step 6: Final answer
    x = 23,649,567.30

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Double scale
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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.