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Finding the Fourth Proportional to 7,000,760, 10,502,911.50 and 1,952,070.52

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Solution

The fourth proportional to 7,000,760, 10,502,911.50 and 1,952,070.52 is: 2,928,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,760 : 10,502,911.50 = 1,952,070.52 : x
  2. Step 2: Convert to fraction form
    7,000,760/10,502,911.50 = 1,952,070.52/x
  3. Step 3: Cross multiply
    7,000,760x = 10,502,911.50 × 1,952,070.52
  4. Step 4: Simplify right side
    7,000,760x = 20,502,423,913,318.98
  5. Step 5: Solve for x
    x = 20,502,423,913,318.98/7,000,760
  6. Step 6: Final answer
    x = 2,928,599.74

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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.