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Finding the Fourth Proportional to 35,851,281.80, 53,776,922.70 and 13,134,475.40

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Solution

The fourth proportional to 35,851,281.80, 53,776,922.70 and 13,134,475.40 is: 19,701,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851,281.80 : 53,776,922.70 = 13,134,475.40 : x
  2. Step 2: Convert to fraction form
    35,851,281.80/53,776,922.70 = 13,134,475.40/x
  3. Step 3: Cross multiply
    35,851,281.80x = 53,776,922.70 × 13,134,475.40
  4. Step 4: Simplify right side
    35,851,281.80x = 706,331,668,290,851.62
  5. Step 5: Solve for x
    x = 706,331,668,290,851.62/35,851,281.80
  6. Step 6: Final answer
    x = 19,701,713.10

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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.