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Finding the Fourth Proportional to 7,267,803.60, 10,878,085.80 and 7,267,803.60

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Solution

The fourth proportional to 7,267,803.60, 10,878,085.80 and 7,267,803.60 is: 10,878,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267,803.60 : 10,878,085.80 = 7,267,803.60 : x
  2. Step 2: Convert to fraction form
    7,267,803.60/10,878,085.80 = 7,267,803.60/x
  3. Step 3: Cross multiply
    7,267,803.60x = 10,878,085.80 × 7,267,803.60
  4. Step 4: Simplify right side
    7,267,803.60x = 79,059,791,138,348.88
  5. Step 5: Solve for x
    x = 79,059,791,138,348.88/7,267,803.60
  6. Step 6: Final answer
    x = 10,878,085.80

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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.