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Finding the Fourth Proportional to 58,445.64, 87,671.06 and 17,916.17

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Solution

The fourth proportional to 58,445.64, 87,671.06 and 17,916.17 is: 26,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.64 : 87,671.06 = 17,916.17 : x
  2. Step 2: Convert to fraction form
    58,445.64/87,671.06 = 17,916.17/x
  3. Step 3: Cross multiply
    58,445.64x = 87,671.06 × 17,916.17
  4. Step 4: Simplify right side
    58,445.64x = 1,570,729,221.48
  5. Step 5: Solve for x
    x = 1,570,729,221.48/58,445.64
  6. Step 6: Final answer
    x = 26,875.05

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1.5x scale

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.