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Finding the Fourth Proportional to 65,018.63, 97,547.88 and 58,312.76

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Solution

The fourth proportional to 65,018.63, 97,547.88 and 58,312.76 is: 87,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,018.63 : 97,547.88 = 58,312.76 : x
  2. Step 2: Convert to fraction form
    65,018.63/97,547.88 = 58,312.76/x
  3. Step 3: Cross multiply
    65,018.63x = 97,547.88 × 58,312.76
  4. Step 4: Simplify right side
    65,018.63x = 5,688,285,627.21
  5. Step 5: Solve for x
    x = 5,688,285,627.21/65,018.63
  6. Step 6: Final answer
    x = 87,487.02

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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.