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Finding the Fourth Proportional to 28,266,892.74, 39,012,939.74 and 23,549,807.79

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Solution

The fourth proportional to 28,266,892.74, 39,012,939.74 and 23,549,807.79 is: 32,502,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266,892.74 : 39,012,939.74 = 23,549,807.79 : x
  2. Step 2: Convert to fraction form
    28,266,892.74/39,012,939.74 = 23,549,807.79/x
  3. Step 3: Cross multiply
    28,266,892.74x = 39,012,939.74 × 23,549,807.79
  4. Step 4: Simplify right side
    28,266,892.74x = 918,747,232,258,727
  5. Step 5: Solve for x
    x = 918,747,232,258,727/28,266,892.74
  6. Step 6: Final answer
    x = 32,502,590.25

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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.