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Finding the Fourth Proportional to 52,993,313.80, 79,489,970.70 and 32,585,979.40

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Solution

The fourth proportional to 52,993,313.80, 79,489,970.70 and 32,585,979.40 is: 48,878,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993,313.80 : 79,489,970.70 = 32,585,979.40 : x
  2. Step 2: Convert to fraction form
    52,993,313.80/79,489,970.70 = 32,585,979.40/x
  3. Step 3: Cross multiply
    52,993,313.80x = 79,489,970.70 × 32,585,979.40
  4. Step 4: Simplify right side
    52,993,313.80x = 2,590,258,547,736,803.50
  5. Step 5: Solve for x
    x = 2,590,258,547,736,803.50/52,993,313.80
  6. Step 6: Final answer
    x = 48,878,969.10

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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.