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Finding the Fourth Proportional to 25,660,606.01, 35,411,624.03 and 15,347,328.89

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Solution

The fourth proportional to 25,660,606.01, 35,411,624.03 and 15,347,328.89 is: 21,179,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660,606.01 : 35,411,624.03 = 15,347,328.89 : x
  2. Step 2: Convert to fraction form
    25,660,606.01/35,411,624.03 = 15,347,328.89/x
  3. Step 3: Cross multiply
    25,660,606.01x = 35,411,624.03 × 15,347,328.89
  4. Step 4: Simplify right side
    25,660,606.01x = 543,473,840,440,700.56
  5. Step 5: Solve for x
    x = 543,473,840,440,700.56/25,660,606.01
  6. Step 6: Final answer
    x = 21,179,306.53

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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.