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Finding the Fourth Proportional to 16,128,436.40, 22,609,670.80 and 16,128,436.40

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Solution

The fourth proportional to 16,128,436.40, 22,609,670.80 and 16,128,436.40 is: 22,609,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,436.40 : 22,609,670.80 = 16,128,436.40 : x
  2. Step 2: Convert to fraction form
    16,128,436.40/22,609,670.80 = 16,128,436.40/x
  3. Step 3: Cross multiply
    16,128,436.40x = 22,609,670.80 × 16,128,436.40
  4. Step 4: Simplify right side
    16,128,436.40x = 364,658,637,522,737.12
  5. Step 5: Solve for x
    x = 364,658,637,522,737.12/16,128,436.40
  6. Step 6: Final answer
    x = 22,609,670.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.