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Finding the Fourth Proportional to 9,343,505.16, 12,891,596.58 and 5,473,945.08

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Solution

The fourth proportional to 9,343,505.16, 12,891,596.58 and 5,473,945.08 is: 7,552,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343,505.16 : 12,891,596.58 = 5,473,945.08 : x
  2. Step 2: Convert to fraction form
    9,343,505.16/12,891,596.58 = 5,473,945.08/x
  3. Step 3: Cross multiply
    9,343,505.16x = 12,891,596.58 × 5,473,945.08
  4. Step 4: Simplify right side
    9,343,505.16x = 70,567,891,672,435.83
  5. Step 5: Solve for x
    x = 70,567,891,672,435.83/9,343,505.16
  6. Step 6: Final answer
    x = 7,552,614.41

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1.5x scale

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.