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Finding the Fourth Proportional to 19,554,807.15, 27,433,417.05 and 19,554,807.15

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Solution

The fourth proportional to 19,554,807.15, 27,433,417.05 and 19,554,807.15 is: 27,433,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554,807.15 : 27,433,417.05 = 19,554,807.15 : x
  2. Step 2: Convert to fraction form
    19,554,807.15/27,433,417.05 = 19,554,807.15/x
  3. Step 3: Cross multiply
    19,554,807.15x = 27,433,417.05 × 19,554,807.15
  4. Step 4: Simplify right side
    19,554,807.15x = 536,455,179,878,271.88
  5. Step 5: Solve for x
    x = 536,455,179,878,271.88/19,554,807.15
  6. Step 6: Final answer
    x = 27,433,417.05

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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.