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Finding the Fourth Proportional to 17,670,697.60, 26,506,046.40 and 12,295,926.40

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Solution

The fourth proportional to 17,670,697.60, 26,506,046.40 and 12,295,926.40 is: 18,443,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,697.60 : 26,506,046.40 = 12,295,926.40 : x
  2. Step 2: Convert to fraction form
    17,670,697.60/26,506,046.40 = 12,295,926.40/x
  3. Step 3: Cross multiply
    17,670,697.60x = 26,506,046.40 × 12,295,926.40
  4. Step 4: Simplify right side
    17,670,697.60x = 325,916,395,689,384.94
  5. Step 5: Solve for x
    x = 325,916,395,689,384.94/17,670,697.60
  6. Step 6: Final answer
    x = 18,443,889.60

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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.