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Finding the Fourth Proportional to 56,990.79, 85,495.77 and 17,547.03

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Solution

The fourth proportional to 56,990.79, 85,495.77 and 17,547.03 is: 26,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,990.79 : 85,495.77 = 17,547.03 : x
  2. Step 2: Convert to fraction form
    56,990.79/85,495.77 = 17,547.03/x
  3. Step 3: Cross multiply
    56,990.79x = 85,495.77 × 17,547.03
  4. Step 4: Simplify right side
    56,990.79x = 1,500,196,841.06
  5. Step 5: Solve for x
    x = 1,500,196,841.06/56,990.79
  6. Step 6: Final answer
    x = 26,323.50

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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.