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Finding the Fourth Proportional to 60,483,695.70, 90,725,543.55 and 15,045,490.20

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Solution

The fourth proportional to 60,483,695.70, 90,725,543.55 and 15,045,490.20 is: 22,568,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,483,695.70 : 90,725,543.55 = 15,045,490.20 : x
  2. Step 2: Convert to fraction form
    60,483,695.70/90,725,543.55 = 15,045,490.20/x
  3. Step 3: Cross multiply
    60,483,695.70x = 90,725,543.55 × 15,045,490.20
  4. Step 4: Simplify right side
    60,483,695.70x = 1,365,010,276,371,198
  5. Step 5: Solve for x
    x = 1,365,010,276,371,198/60,483,695.70
  6. Step 6: Final answer
    x = 22,568,235.30

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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.