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Finding the Fourth Proportional to 28,305,482.46, 42,453,494.46 and 7,837,271.10

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Solution

The fourth proportional to 28,305,482.46, 42,453,494.46 and 7,837,271.10 is: 11,754,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305,482.46 : 42,453,494.46 = 7,837,271.10 : x
  2. Step 2: Convert to fraction form
    28,305,482.46/42,453,494.46 = 7,837,271.10/x
  3. Step 3: Cross multiply
    28,305,482.46x = 42,453,494.46 × 7,837,271.10
  4. Step 4: Simplify right side
    28,305,482.46x = 332,719,545,225,368.12
  5. Step 5: Solve for x
    x = 332,719,545,225,368.12/28,305,482.46
  6. Step 6: Final answer
    x = 11,754,597.21

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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.