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Finding the Fourth Proportional to 34,411.71, 47,483.90 and 19,302.28

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Solution

The fourth proportional to 34,411.71, 47,483.90 and 19,302.28 is: 26,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,411.71 : 47,483.90 = 19,302.28 : x
  2. Step 2: Convert to fraction form
    34,411.71/47,483.90 = 19,302.28/x
  3. Step 3: Cross multiply
    34,411.71x = 47,483.90 × 19,302.28
  4. Step 4: Simplify right side
    34,411.71x = 916,547,533.29
  5. Step 5: Solve for x
    x = 916,547,533.29/34,411.71
  6. Step 6: Final answer
    x = 26,634.76

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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.