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Finding the Fourth Proportional to 38,386,871.70, 57,580,307.55 and 38,386,871.70

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Solution

The fourth proportional to 38,386,871.70, 57,580,307.55 and 38,386,871.70 is: 57,580,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386,871.70 : 57,580,307.55 = 38,386,871.70 : x
  2. Step 2: Convert to fraction form
    38,386,871.70/57,580,307.55 = 38,386,871.70/x
  3. Step 3: Cross multiply
    38,386,871.70x = 57,580,307.55 × 38,386,871.70
  4. Step 4: Simplify right side
    38,386,871.70x = 2,210,327,878,368,391.50
  5. Step 5: Solve for x
    x = 2,210,327,878,368,391.50/38,386,871.70
  6. Step 6: Final answer
    x = 57,580,307.55

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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.