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Finding the Fourth Proportional to 35,486,300.40, 48,971,804.76 and 20,013,356.40

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Solution

The fourth proportional to 35,486,300.40, 48,971,804.76 and 20,013,356.40 is: 27,618,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486,300.40 : 48,971,804.76 = 20,013,356.40 : x
  2. Step 2: Convert to fraction form
    35,486,300.40/48,971,804.76 = 20,013,356.40/x
  3. Step 3: Cross multiply
    35,486,300.40x = 48,971,804.76 × 20,013,356.40
  4. Step 4: Simplify right side
    35,486,300.40x = 980,090,182,213,096.38
  5. Step 5: Solve for x
    x = 980,090,182,213,096.38/35,486,300.40
  6. Step 6: Final answer
    x = 27,618,832.37

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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.