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Finding the Fourth Proportional to 8,920,981.04, 12,311,012.76 and 4,846,598.96

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Solution

The fourth proportional to 8,920,981.04, 12,311,012.76 and 4,846,598.96 is: 6,688,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,981.04 : 12,311,012.76 = 4,846,598.96 : x
  2. Step 2: Convert to fraction form
    8,920,981.04/12,311,012.76 = 4,846,598.96/x
  3. Step 3: Cross multiply
    8,920,981.04x = 12,311,012.76 × 4,846,598.96
  4. Step 4: Simplify right side
    8,920,981.04x = 59,666,541,639,162.73
  5. Step 5: Solve for x
    x = 59,666,541,639,162.73/8,920,981.04
  6. Step 6: Final answer
    x = 6,688,338.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.