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Finding the Fourth Proportional to 25,187,710.40, 35,329,979.20 and 25,187,710.40

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Solution

The fourth proportional to 25,187,710.40, 35,329,979.20 and 25,187,710.40 is: 35,329,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187,710.40 : 35,329,979.20 = 25,187,710.40 : x
  2. Step 2: Convert to fraction form
    25,187,710.40/35,329,979.20 = 25,187,710.40/x
  3. Step 3: Cross multiply
    25,187,710.40x = 35,329,979.20 × 25,187,710.40
  4. Step 4: Simplify right side
    25,187,710.40x = 889,881,284,527,623.75
  5. Step 5: Solve for x
    x = 889,881,284,527,623.75/25,187,710.40
  6. Step 6: Final answer
    x = 35,329,979.20

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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.