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Finding the Fourth Proportional to 60,017.45, 90,030.76 and 17,894.32

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Solution

The fourth proportional to 60,017.45, 90,030.76 and 17,894.32 is: 26,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,017.45 : 90,030.76 = 17,894.32 : x
  2. Step 2: Convert to fraction form
    60,017.45/90,030.76 = 17,894.32/x
  3. Step 3: Cross multiply
    60,017.45x = 90,030.76 × 17,894.32
  4. Step 4: Simplify right side
    60,017.45x = 1,611,038,959.47
  5. Step 5: Solve for x
    x = 1,611,038,959.47/60,017.45
  6. Step 6: Final answer
    x = 26,842.84

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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.