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Finding the Fourth Proportional to 34,038.76, 46,966.53 and 19,888.87

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Solution

The fourth proportional to 34,038.76, 46,966.53 and 19,888.87 is: 27,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,038.76 : 46,966.53 = 19,888.87 : x
  2. Step 2: Convert to fraction form
    34,038.76/46,966.53 = 19,888.87/x
  3. Step 3: Cross multiply
    34,038.76x = 46,966.53 × 19,888.87
  4. Step 4: Simplify right side
    34,038.76x = 934,110,974.69
  5. Step 5: Solve for x
    x = 934,110,974.69/34,038.76
  6. Step 6: Final answer
    x = 27,442.57

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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.