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Finding the Fourth Proportional to 3,710,114.20, 5,209,089.80 and 3,710,114.20

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Solution

The fourth proportional to 3,710,114.20, 5,209,089.80 and 3,710,114.20 is: 5,209,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710,114.20 : 5,209,089.80 = 3,710,114.20 : x
  2. Step 2: Convert to fraction form
    3,710,114.20/5,209,089.80 = 3,710,114.20/x
  3. Step 3: Cross multiply
    3,710,114.20x = 5,209,089.80 × 3,710,114.20
  4. Step 4: Simplify right side
    3,710,114.20x = 19,326,318,036,055.16
  5. Step 5: Solve for x
    x = 19,326,318,036,055.16/3,710,114.20
  6. Step 6: Final answer
    x = 5,209,089.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.