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Finding the Fourth Proportional to 12,713,022.90, 19,069,534.35 and 12,713,022.90

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Solution

The fourth proportional to 12,713,022.90, 19,069,534.35 and 12,713,022.90 is: 19,069,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,022.90 : 19,069,534.35 = 12,713,022.90 : x
  2. Step 2: Convert to fraction form
    12,713,022.90/19,069,534.35 = 12,713,022.90/x
  3. Step 3: Cross multiply
    12,713,022.90x = 19,069,534.35 × 12,713,022.90
  4. Step 4: Simplify right side
    12,713,022.90x = 242,431,426,883,886.66
  5. Step 5: Solve for x
    x = 242,431,426,883,886.66/12,713,022.90
  6. Step 6: Final answer
    x = 19,069,534.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.