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Finding the Fourth Proportional to 29,865,907.40, 44,804,390.70 and 9,671,808.20

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Solution

The fourth proportional to 29,865,907.40, 44,804,390.70 and 9,671,808.20 is: 14,509,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,865,907.40 : 44,804,390.70 = 9,671,808.20 : x
  2. Step 2: Convert to fraction form
    29,865,907.40/44,804,390.70 = 9,671,808.20/x
  3. Step 3: Cross multiply
    29,865,907.40x = 44,804,390.70 × 9,671,808.20
  4. Step 4: Simplify right side
    29,865,907.40x = 433,339,473,368,263.75
  5. Step 5: Solve for x
    x = 433,339,473,368,263.75/29,865,907.40
  6. Step 6: Final answer
    x = 14,509,503.01

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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.