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Finding the Fourth Proportional to 70,585.98, 97,411.83 and 42,291.06

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Solution

The fourth proportional to 70,585.98, 97,411.83 and 42,291.06 is: 58,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.98 : 97,411.83 = 42,291.06 : x
  2. Step 2: Convert to fraction form
    70,585.98/97,411.83 = 42,291.06/x
  3. Step 3: Cross multiply
    70,585.98x = 97,411.83 × 42,291.06
  4. Step 4: Simplify right side
    70,585.98x = 4,119,649,547.24
  5. Step 5: Solve for x
    x = 4,119,649,547.24/70,585.98
  6. Step 6: Final answer
    x = 58,363.57

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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.