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Finding the Fourth Proportional to 19,908,000.30, 29,862,000.45 and 9,830,304.30

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Solution

The fourth proportional to 19,908,000.30, 29,862,000.45 and 9,830,304.30 is: 14,745,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908,000.30 : 29,862,000.45 = 9,830,304.30 : x
  2. Step 2: Convert to fraction form
    19,908,000.30/29,862,000.45 = 9,830,304.30/x
  3. Step 3: Cross multiply
    19,908,000.30x = 29,862,000.45 × 9,830,304.30
  4. Step 4: Simplify right side
    19,908,000.30x = 293,552,551,430,236.94
  5. Step 5: Solve for x
    x = 293,552,551,430,236.94/19,908,000.30
  6. Step 6: Final answer
    x = 14,745,456.45

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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.